90 Balents PPTs View free & download

Leon Balents (UCSB) PowerPoint PPT Presentation

Leon Balents (UCSB) - Boson-vortex duality ... Boson-vortex duality. Hofst der spectrum of ... Boson-vortex duality. Na ve approach: add VBS order parameter to LGW theory 'by hand' ...

Boson-vortex duality ... Boson-vortex duality. Hofst der spectrum of ... Boson-vortex duality. Na ve approach: add VBS order parameter to LGW theory 'by hand' ...

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Leon Balents (UCSB) - Deconfined quantum criticality Berry phases and the transition from SDW to bond order. ... Ingredient missing from LGW theory: Spin Berry Phases ...

Deconfined quantum criticality Berry phases and the transition from SDW to bond order. ... Ingredient missing from LGW theory: Spin Berry Phases ...

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Leon Balents UCSB - FL. The FL state is the 'Higgs' phase of the U(1) gauge theory. ... local f moments in the FL state, and the static moments order antiferromagnetically. ...

FL. The FL state is the 'Higgs' phase of the U(1) gauge theory. ... local f moments in the FL state, and the static moments order antiferromagnetically. ...

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Dual vortex theory of doped antiferromagnets PowerPoint PPT Presentation

Dual vortex theory of doped antiferromagnets - cond-mat/0502002, cond-mat/0511298. Leon Balents (UCSB) Lorenz Bartosch ... Effect of nodal quasiparticles on vortex dynamics is relatively innocuous. Outline ...

cond-mat/0502002, cond-mat/0511298. Leon Balents (UCSB) Lorenz Bartosch ... Effect of nodal quasiparticles on vortex dynamics is relatively innocuous. Outline ...

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Part II. p-orbital physics in optical lattices PowerPoint PPT Presentation

Part II. p-orbital physics in optical lattices - Kavli Institute for Theoretical Physics, UCSB. C. Wu, D. Bergman, L. Balents, and S. Das ... Phase incoherence. M. Anderlini, et al., J. Phys. B 39, S199 (2006) ...

Kavli Institute for Theoretical Physics, UCSB. C. Wu, D. Bergman, L. Balents, and S. Das ... Phase incoherence. M. Anderlini, et al., J. Phys. B 39, S199 (2006) ...

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Deconfined quantum criticality PowerPoint PPT Presentation

Deconfined quantum criticality - Leon Balents (UCSB) Lorenz Bartosch (Harvard) Anton Burkov (Harvard) Matthew ... Sengupta (HRI, India) T. Senthil (MIT and IISc) Ashvin Vishwanath (Berkeley) ...

Leon Balents (UCSB) Lorenz Bartosch (Harvard) Anton Burkov (Harvard) Matthew ... Sengupta (HRI, India) T. Senthil (MIT and IISc) Ashvin Vishwanath (Berkeley) ...

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One-dimensional approach to frustrated magnets PowerPoint PPT Presentation

One-dimensional approach to frustrated magnets - appendix algebraic correlations No local order parameter dimer LRO broken translational symmetry staggered magnetization gapless magnons, S=1 gapped magnons, ...

appendix algebraic correlations No local order parameter dimer LRO broken translational symmetry staggered magnetization gapless magnons, S=1 gapped magnons, ...

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Competing orders: beyond Landau-Ginzburg-Wilson theory PowerPoint PPT Presentation

Competing orders: beyond Landau-Ginzburg-Wilson theory - Competing orders: beyond Landau-Ginzburg-Wilson theory Colloquium article in Reviews of Modern Physics 75, 913 (2003)

Competing orders: beyond Landau-Ginzburg-Wilson theory Colloquium article in Reviews of Modern Physics 75, 913 (2003)

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Quantum phase transitions: from Mott insulators to the cuprate superconductors PowerPoint PPT Presentation

Quantum phase transitions: from Mott insulators to the cuprate superconductors - Title: PowerPoint Presentation Author: Subir Sachdev Last modified by: Subir Sachdev Created Date: 8/4/1999 2:31:23 PM Document presentation format

Title: PowerPoint Presentation Author: Subir Sachdev Last modified by: Subir Sachdev Created Date: 8/4/1999 2:31:23 PM Document presentation format

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Quantum Criticality and PowerPoint PPT Presentation

Quantum Criticality and - New insights and results from detour unifies disparate fields of physics ...

New insights and results from detour unifies disparate fields of physics ...

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The quantum mechanics of two dimensional superfluids PowerPoint PPT Presentation

The quantum mechanics of two dimensional superfluids - ... Annals of Physics, 298, 58 (2002) Charge density wave (CDW) order Valence bond solid (VBS ... 134510 (2001) S. Sachdev and K. Park, Annals of Physics, 298 ...

... Annals of Physics, 298, 58 (2002) Charge density wave (CDW) order Valence bond solid (VBS ... 134510 (2001) S. Sachdev and K. Park, Annals of Physics, 298 ...

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Quantum Spin Liquids PowerPoint PPT Presentation

Quantum Spin Liquids - Houches/06//2006. Spin Liquid Phases ? Houches/06//2006. Valence ... A simple way to overcome frustration ... V. Pasquier, F. Mila, C.L. cond-mat ...

Houches/06//2006. Spin Liquid Phases ? Houches/06//2006. Valence ... A simple way to overcome frustration ... V. Pasquier, F. Mila, C.L. cond-mat ...

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Outline - Hole dynamics in an antiferromagnet across a deconfined quantum critical point, ... A new non-Fermi liquid phase: The holon metal. An algebraic charge liquid. ...

Hole dynamics in an antiferromagnet across a deconfined quantum critical point, ... A new non-Fermi liquid phase: The holon metal. An algebraic charge liquid. ...

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Quantum Hall Ferromagnets-III PowerPoint PPT Presentation

Quantum Hall Ferromagnets-III - Quantum Hall Ferromagnets-III. Ramin Abolfath Luis Brey Anton Burkov ... voltmeter. voltmeter. 0. 0. Bilayer Counterflow Transport. Electron-hole Pair Current ...

Quantum Hall Ferromagnets-III. Ramin Abolfath Luis Brey Anton Burkov ... voltmeter. voltmeter. 0. 0. Bilayer Counterflow Transport. Electron-hole Pair Current ...

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Classifying two-dimensional superfluids: why there is more to cuprate superconductivity than the condensation of charge -2e Cooper pairs PowerPoint PPT Presentation

Classifying two-dimensional superfluids: why there is more to cuprate superconductivity than the condensation of charge -2e Cooper pairs - ... ground states with density wave order at carrier density ... Boson-vortex duality. Hofstadter spectrum of the quantum vortex 'particle' j. Boson-vortex duality ...

... ground states with density wave order at carrier density ... Boson-vortex duality. Hofstadter spectrum of the quantum vortex 'particle' j. Boson-vortex duality ...

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Quantum phase transitions: from Mott insulators to the cuprate superconductors - Title: PowerPoint Presentation Author: Subir Sachdev Last modified by: Subir Sachdev Created Date: 8/4/1999 2:31:23 PM Document presentation format

Title: PowerPoint Presentation Author: Subir Sachdev Last modified by: Subir Sachdev Created Date: 8/4/1999 2:31:23 PM Document presentation format

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Dynamique lente des syst PowerPoint PPT Presentation

Dynamique lente des syst - Dynamique lente des syst mes magn tiques d sordonn s Vincent Dupuis Service de Physique de l Etat Condens CEA Saclay Directeur de th se : Eric VINCENT

Dynamique lente des syst mes magn tiques d sordonn s Vincent Dupuis Service de Physique de l Etat Condens CEA Saclay Directeur de th se : Eric VINCENT

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Part II. p-orbital physics in optical lattices - Spinful Fermions: flat-band itinerant ferromagnetism ... Flat-band itinerant FM in p-orbitals. 34. Percolation picture for flat band FM. ...

Spinful Fermions: flat-band itinerant ferromagnetism ... Flat-band itinerant FM in p-orbitals. 34. Percolation picture for flat band FM. ...

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Quantum%20Phase%20Transitions PowerPoint PPT Presentation

Quantum%20Phase%20Transitions - Quantum Phase Transitions

Quantum Phase Transitions

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Breaking electrons apart in condensed matter physics PowerPoint PPT Presentation

Breaking electrons apart in condensed matter physics - Breaking electrons apart in condensed matter physics T. Senthil (MIT) Group at MIT Predrag Nikolic Dinesh Raut O. Motrunich (now at KITP) A. Vishwanath

Breaking electrons apart in condensed matter physics T. Senthil (MIT) Group at MIT Predrag Nikolic Dinesh Raut O. Motrunich (now at KITP) A. Vishwanath

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Insights into quantum matter from new experiments PowerPoint PPT Presentation

Insights into quantum matter from new experiments - Spatially resolved spectral information on charge dynamics ... H. Kageyama, Y. Ueda, S. Miyahara, F. Becca, and F. Mila, Science 298, 395 (2002) ...

Spatially resolved spectral information on charge dynamics ... H. Kageyama, Y. Ueda, S. Miyahara, F. Becca, and F. Mila, Science 298, 395 (2002) ...

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Quantum%20phase%20transitions%20of%20correlated%20electrons%20and%20atoms PowerPoint PPT Presentation

Quantum%20phase%20transitions%20of%20correlated%20electrons%20and%20atoms - Coupling between qubits creates 'flipped-spin' quasiparticle states at momentum p ... In two dimensions, we can view the vortices as point particle excitations of the ...

Coupling between qubits creates 'flipped-spin' quasiparticle states at momentum p ... In two dimensions, we can view the vortices as point particle excitations of the ...

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Detecting quantum duality in experiments: how superfluids become solids in two dimensions PowerPoint PPT Presentation

Detecting quantum duality in experiments: how superfluids become solids in two dimensions - Detecting quantum duality in experiments: how superfluids become solids in two dimensions ... The vortex is a quantum particle with dual 'electric' charge n, ...

Detecting quantum duality in experiments: how superfluids become solids in two dimensions ... The vortex is a quantum particle with dual 'electric' charge n, ...

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Quantum theory of vortices in d-wave superconductors PowerPoint PPT Presentation

Quantum theory of vortices in d-wave superconductors - Annals of Physics 321, 1528 (2006), Physical Review B 73, 134511 (2006), cond-mat ... Effect of nodal quasiparticles on vortex dynamics is relatively innocuous. ...

Annals of Physics 321, 1528 (2006), Physical Review B 73, 134511 (2006), cond-mat ... Effect of nodal quasiparticles on vortex dynamics is relatively innocuous. ...

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Ajay%20Kumar%20Ghosh PowerPoint PPT Presentation

Ajay%20Kumar%20Ghosh - The problem: driven vortex lines with random point pins ... Bragg peak at K10 vortex motion is in periodically spaced channels ...

The problem: driven vortex lines with random point pins ... Bragg peak at K10 vortex motion is in periodically spaced channels ...

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Onedimensional view of frustrated magnets PowerPoint PPT Presentation

Onedimensional view of frustrated magnets - Coupled chains - confinement of spinons and spontaneous dimerization ... Disordered phases of collinear antiferromagnet are spontaneously. dimerized. ...

Coupled chains - confinement of spinons and spontaneous dimerization ... Disordered phases of collinear antiferromagnet are spontaneously. dimerized. ...

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A New Understanding of the Tunneling Conductance Anomaly in Multi-Wall Carbon Nanotubes PowerPoint PPT Presentation

A New Understanding of the Tunneling Conductance Anomaly in Multi-Wall Carbon Nanotubes - Title: Slide 1 Author: csjaya01 Last modified by: Dr. Shi-Yu Wu Created Date: 3/17/2004 10:44:54 PM Document presentation format: On-screen Show Company

Title: Slide 1 Author: csjaya01 Last modified by: Dr. Shi-Yu Wu Created Date: 3/17/2004 10:44:54 PM Document presentation format: On-screen Show Company

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Quantum phase transitions PowerPoint PPT Presentation

Quantum phase transitions - The method of bond operators (S. Sachdev and R.N. Bhatt, Phys. ... U/t, and there is no quantum phase transition at any intermediate value of U/t. ...

The method of bond operators (S. Sachdev and R.N. Bhatt, Phys. ... U/t, and there is no quantum phase transition at any intermediate value of U/t. ...

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Quantum theory of vortices and quasiparticles in d-wave superconductors PowerPoint PPT Presentation

Quantum theory of vortices and quasiparticles in d-wave superconductors - Quantum theory of vortices and quasiparticles in d-wave superconductors ... 'Glassy' Valence Bond Solid (VBS) Outline. Our model ...

Quantum theory of vortices and quasiparticles in d-wave superconductors ... 'Glassy' Valence Bond Solid (VBS) Outline. Our model ...

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Quantum Criticality and Black Holes PowerPoint PPT Presentation

Quantum Criticality and Black Holes - Depth of periodic potential ... Depth of periodic potential. No wave or ... Collisionless-to hydrodynamic crossover of a conformal field theory (CFT) ...

Depth of periodic potential ... Depth of periodic potential. No wave or ... Collisionless-to hydrodynamic crossover of a conformal field theory (CFT) ...

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Classifying two-dimensional superfluids: why there is more to cuprate superconductivity than the condensation of charge -2e Cooper pairs - A macroscopic number of bosons occupy the lowest energy quantum state ... where f is the boson filling fraction. Bosons at filling fraction f = 1 ...

A macroscopic number of bosons occupy the lowest energy quantum state ... where f is the boson filling fraction. Bosons at filling fraction f = 1 ...

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Competing orders: beyond Landau-Ginzburg-Wilson theory - Rev. B 63, 134510 (2001) S. Sachdev and K. Park, Annals of Physics, 298, 58 (2002) ... of charge carriers is more fundamental, and (weak) density wave order emerges ...

Rev. B 63, 134510 (2001) S. Sachdev and K. Park, Annals of Physics, 298, 58 (2002) ... of charge carriers is more fundamental, and (weak) density wave order emerges ...

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Magnetic quantum criticality PowerPoint PPT Presentation

Magnetic quantum criticality - Quantum critical point. States could be either (a) insulators (b) metals (c) superconductors ... Otherwise, new theory of coupled excitons and nodal quasiparticles ...

Quantum critical point. States could be either (a) insulators (b) metals (c) superconductors ... Otherwise, new theory of coupled excitons and nodal quasiparticles ...

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Competing orders, nonlinear sigma models and topological terms in quantum magnets PowerPoint PPT Presentation

Competing orders, nonlinear sigma models and topological terms in quantum magnets - Slow decay of both Neel and VBS correlations with SAME exponents (thanks Leon! ... Broken symmetry order parameters are the kings ...

Slow decay of both Neel and VBS correlations with SAME exponents (thanks Leon! ... Broken symmetry order parameters are the kings ...

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Dynamic generation of spin-orbit coupling PowerPoint PPT Presentation

Dynamic generation of spin-orbit coupling - Get a trial configuration by flipping a spin. Calculate acceptance ratio: ... flipping two layers ... T-invariant decoupling (Time-reversal*flip two layers) ...

Get a trial configuration by flipping a spin. Calculate acceptance ratio: ... flipping two layers ... T-invariant decoupling (Time-reversal*flip two layers) ...

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T. Senthil (MIT) PowerPoint PPT Presentation

T. Senthil (MIT) - Quantum phases and critical points of correlated metals T. Senthil (MIT) Subir Sachdev Matthias Vojta (Karlsruhe) cond-mat/0209144

Quantum phases and critical points of correlated metals T. Senthil (MIT) Subir Sachdev Matthias Vojta (Karlsruhe) cond-mat/0209144

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Dynamic generation of spin-orbit coupling - Two dimensional staggered current phase. Congjun Wu. Reference: C. Wu, J. Zaanen, ... Using path integral formalism, fermions are represented as Grassmann variables. ...

Two dimensional staggered current phase. Congjun Wu. Reference: C. Wu, J. Zaanen, ... Using path integral formalism, fermions are represented as Grassmann variables. ...

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Ribhu Kaul - ... in the electron-doped high-transition-temperature superconductor Nd2-xCexCuO4. E. M. Motoyama, G. Yu, I. M. Vishik, O. P. Vajk, P. K. Mang and M. Greven ...

... in the electron-doped high-transition-temperature superconductor Nd2-xCexCuO4. E. M. Motoyama, G. Yu, I. M. Vishik, O. P. Vajk, P. K. Mang and M. Greven ...

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Quantum Criticality and - Many QPTs of correlated electrons in 2 1 dimensions are described by conformal ... A. Turlapov, J. Kinast, B. Clancy, Le Luo, J. Joseph, J. E. Thomas, J. ...

Many QPTs of correlated electrons in 2 1 dimensions are described by conformal ... A. Turlapov, J. Kinast, B. Clancy, Le Luo, J. Joseph, J. E. Thomas, J. ...

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Lecture 3: Unconventional quantum criticality PowerPoint PPT Presentation

Lecture 3: Unconventional quantum criticality - Title: Slide 1 Author: Senthil Todadri Last modified by: Your User Name Created Date: 4/4/2004 12:01:06 AM Document presentation format: On-screen Show

Title: Slide 1 Author: Senthil Todadri Last modified by: Your User Name Created Date: 4/4/2004 12:01:06 AM Document presentation format: On-screen Show

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Deconfined Quantum Critical Points PowerPoint PPT Presentation

Deconfined Quantum Critical Points - Monopole is bound to 'hedgehog' Skyrmions. Time-independent topological solitons bound to flux ... O(3) model with hedgehogs forbidden by hand (Kamal Murthy. ...

Monopole is bound to 'hedgehog' Skyrmions. Time-independent topological solitons bound to flux ... O(3) model with hedgehogs forbidden by hand (Kamal Murthy. ...

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Strongly%20interacting%20cold%20atoms PowerPoint PPT Presentation

Strongly%20interacting%20cold%20atoms - Strongly interacting cold atoms

Strongly interacting cold atoms

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Talk online at http://sachdev.physics.harvard.edu PowerPoint PPT Presentation

Talk online at http://sachdev.physics.harvard.edu - Critical theory in d =1 is also the spinless free Fermi gas. ... Universal theory of gapless bosons and fermions, with decay of boson into 2 ...

Critical theory in d =1 is also the spinless free Fermi gas. ... Universal theory of gapless bosons and fermions, with decay of boson into 2 ...

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Quantum phase transitions: from Mott insulators to the cuprate superconductors - Second-order critical point described by emergent fractionalized degrees of freedom (Am and za ) ... Superposition and rotation by 45 degrees ...

Second-order critical point described by emergent fractionalized degrees of freedom (Am and za ) ... Superposition and rotation by 45 degrees ...

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Breakdown of the Landau-Ginzburg-Wilson paradigm at quantum phase transitions PowerPoint PPT Presentation

Breakdown of the Landau-Ginzburg-Wilson paradigm at quantum phase transitions - Science 303, 1490 (2004); cond-mat/0312617. cond-mat/0401041 ... M. Matsumoto, B. Normand, T.M. Rice, and M. Sigrist, cond-mat/0309440. ...

Science 303, 1490 (2004); cond-mat/0312617. cond-mat/0401041 ... M. Matsumoto, B. Normand, T.M. Rice, and M. Sigrist, cond-mat/0309440. ...

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T. Senthil (MIT) - Subject: cond-mat daily 0209108 -- 0209143 received 1651. Date: Thu, 5 Sep ... like quasiparticles, enclosing a volume determined by the dopant electron alone. ...

Subject: cond-mat daily 0209108 -- 0209143 received 1651. Date: Thu, 5 Sep ... like quasiparticles, enclosing a volume determined by the dopant electron alone. ...

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Effective Topological Field Theories in Condensed Matter Physics PowerPoint PPT Presentation

Effective Topological Field Theories in Condensed Matter Physics - Wave function of a particle with integer spin changes by 1 under 2p rotation. Spin=1 ... Fractional charge in the QSH state, E&M duality! mx. x. e/2 ...

Wave function of a particle with integer spin changes by 1 under 2p rotation. Spin=1 ... Fractional charge in the QSH state, E&M duality! mx. x. e/2 ...

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Quantum phase transitions - Non-analyticity in ground state properties as a function of some control parameter g ... Incompressible, insulating ground states, with zero superfluid density, appear ...

Non-analyticity in ground state properties as a function of some control parameter g ... Incompressible, insulating ground states, with zero superfluid density, appear ...

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Hubbardtype models: A partial overview partial biased incomplete PowerPoint PPT Presentation

Hubbardtype models: A partial overview partial biased incomplete - Superconductors BCS BEC crossover, quantum phase transitions ... Other examples: Crossover on the honeycomb lattice. At 1 electron per site: ...

Superconductors BCS BEC crossover, quantum phase transitions ... Other examples: Crossover on the honeycomb lattice. At 1 electron per site: ...

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Dual vortex theory of doped antiferromagnets - Dual vortex theory of for interplay between VBS order and d-wave superconductivity ... d-wave superconductivity above a critical d. Similar theory can. be ...

Dual vortex theory of for interplay between VBS order and d-wave superconductivity ... d-wave superconductivity above a critical d. Similar theory can. be ...

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Spin injection and detection in Cu spin valve structures PowerPoint PPT Presentation

Spin injection and detection in Cu spin valve structures - Spin injection and detection in Cu spin valve structures ... e-beam lithography. ion-milling. thermal evaporation. lift-off. 1st level: Co. Al2O3 tunnel barrier ...

Spin injection and detection in Cu spin valve structures ... e-beam lithography. ion-milling. thermal evaporation. lift-off. 1st level: Co. Al2O3 tunnel barrier ...

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Outline - Sean Hartnoll (KITP), Christopher Herzog (Washington), Pavel Kovtun (KITP) ... Y. Kohsaka, C. Taylor, K. Fujita, A. Schmidt, C. Lupien, T. Hanaguri, M. Azuma, ...

Sean Hartnoll (KITP), Christopher Herzog (Washington), Pavel Kovtun (KITP) ... Y. Kohsaka, C. Taylor, K. Fujita, A. Schmidt, C. Lupien, T. Hanaguri, M. Azuma, ...

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Deconfined quantum criticality - NFL: Universal physics associated with quantum critical point between phases A and B. ... Many lessons for competing order physics in correlated electron systems. ...

NFL: Universal physics associated with quantum critical point between phases A and B. ... Many lessons for competing order physics in correlated electron systems. ...

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Frustration and fluctuations in diamond antiferromagnetic spinels PowerPoint PPT Presentation

Frustration and fluctuations in diamond antiferromagnetic spinels - Emanuel Gull. Lucile Savary. Sungbin Lee. Degeneracy and Frustration ... Parallel Tempering Scheme (Trebst, Gull) Tc rapidly diminishes in Neel phase ' ...

Emanuel Gull. Lucile Savary. Sungbin Lee. Degeneracy and Frustration ... Parallel Tempering Scheme (Trebst, Gull) Tc rapidly diminishes in Neel phase ' ...

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Superfluid-Insuator transitions of Bosons on a Kagome lattice at non-integer fillings PowerPoint PPT Presentation

Superfluid-Insuator transitions of Bosons on a Kagome lattice at non-integer fillings - Superfluid-Insuator transitions of Bosons on a Kagome lattice at non-integer fillings ... QMC for Kagome Lattice. Explains the absence of Sz ordering for XXZ ...

Superfluid-Insuator transitions of Bosons on a Kagome lattice at non-integer fillings ... QMC for Kagome Lattice. Explains the absence of Sz ordering for XXZ ...

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Supersolid matter, or How do bosons resolve their frustration? PowerPoint PPT Presentation

Supersolid matter, or How do bosons resolve their frustration? - N.Prokofiev & coworkers (2005) STM images of Ca(2-x)NaxCuO2Cl2 ... M. Boninsegni, N. Prokofiev (2005) Bosons on the Triangular Lattice. Phase Diagram ...

N.Prokofiev & coworkers (2005) STM images of Ca(2-x)NaxCuO2Cl2 ... M. Boninsegni, N. Prokofiev (2005) Bosons on the Triangular Lattice. Phase Diagram ...

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Balents PowerPoint PPT Presentations