Topology of electronic bands and Topological Order
... For ν = 1/3: unique ground state on the sphere but 3-fold degenerate ground state on the torus. In general FQHE ...
... For ν = 1/3: unique ground state on the sphere but 3-fold degenerate ground state on the torus. In general FQHE ...
Fermionization of Spin Systems
... As can be easy to understand, the non local string phase factor introduced by the transformation isn’t always simple to treat. Indeed for some applications of this transformation in two dimensions [25, 7, 8], the phase factors do not cancel each other, but they can be considered as a gauge field int ...
... As can be easy to understand, the non local string phase factor introduced by the transformation isn’t always simple to treat. Indeed for some applications of this transformation in two dimensions [25, 7, 8], the phase factors do not cancel each other, but they can be considered as a gauge field int ...
Lecture I: Collective Excitations: From Particles to Fields Free Scalar
... • Low-energy excitations of discrete model involve slowly varying collective modes; i.e. each mode involves many atoms; • Low-energy (k → 0) 7→ long-wavelength excitations, i.e. universal, insensitive to microscopic detail; • Allows many different systems to be mapped onto a few classical field theo ...
... • Low-energy excitations of discrete model involve slowly varying collective modes; i.e. each mode involves many atoms; • Low-energy (k → 0) 7→ long-wavelength excitations, i.e. universal, insensitive to microscopic detail; • Allows many different systems to be mapped onto a few classical field theo ...
URL - StealthSkater
... communications with Geometric-Past, instantaneous remote utilization of energy, and perhaps even remote induction of simple lifeforms (about which simplest are perhaps "plasmoids"). The intelligentlooking lightballs reported repeatedly by UFO experiencers are indeed identifiable as plasmoids and qui ...
... communications with Geometric-Past, instantaneous remote utilization of energy, and perhaps even remote induction of simple lifeforms (about which simplest are perhaps "plasmoids"). The intelligentlooking lightballs reported repeatedly by UFO experiencers are indeed identifiable as plasmoids and qui ...
7 Quarks and SU(3) Symmetry
... they actually hold for any representation of the generators of SU(2) and define the Lie algebra associated with the Lie group SU(2) and characterized by the structure constants ijk . This algebra allows only one diagonal operator, conventionally taken to be I3 . In the two-dimensional representatio ...
... they actually hold for any representation of the generators of SU(2) and define the Lie algebra associated with the Lie group SU(2) and characterized by the structure constants ijk . This algebra allows only one diagonal operator, conventionally taken to be I3 . In the two-dimensional representatio ...
Principles of Quantum Universe
... principles of symmetries, widely used in modern theoretical physics. In Chapter 4 we acquaint readers with the method of nonlinear realizations of groups of symmetries developed at the end of the sixtieth of the last century, which applied for derivation of the theory of gravitation by joint nonline ...
... principles of symmetries, widely used in modern theoretical physics. In Chapter 4 we acquaint readers with the method of nonlinear realizations of groups of symmetries developed at the end of the sixtieth of the last century, which applied for derivation of the theory of gravitation by joint nonline ...
Stringy holography and the modern picture of QCD and hadrons
... thoroughly investigated since the seventies. What are the reasons to go back to “square one" and revisit this question? (i) Holography, or gauge/string duality, provides a bridge between the underlying theory of QCD (in certain limits) and a bosonic string model of mesons and baryons. (ii) There is ...
... thoroughly investigated since the seventies. What are the reasons to go back to “square one" and revisit this question? (i) Holography, or gauge/string duality, provides a bridge between the underlying theory of QCD (in certain limits) and a bosonic string model of mesons and baryons. (ii) There is ...
Adiabatic Continuation of Fractional Chern Insulators to Fractional
... Any ðq1 ; q2 Þ. This resolution of (2) yields a unitary transformation of the original single particle basis. As angles, the values of Anx ðq1 ; q2 Þ are defined modulo 2, and we ensure that the shift in x position x ¼ ðky Þ=2 satisfies 0 x < 1. The Wannier states can thus be brought into an ...
... Any ðq1 ; q2 Þ. This resolution of (2) yields a unitary transformation of the original single particle basis. As angles, the values of Anx ðq1 ; q2 Þ are defined modulo 2, and we ensure that the shift in x position x ¼ ðky Þ=2 satisfies 0 x < 1. The Wannier states can thus be brought into an ...
ppt - Harvard Condensed Matter Theory group
... Rich vortex physics of F=2 nematic states. Non-Abelian fundamental group. Spinor condensates in an optical lattice. Exchange interactions in the insulating states can lead to various kinds of magnetic ordering. ...
... Rich vortex physics of F=2 nematic states. Non-Abelian fundamental group. Spinor condensates in an optical lattice. Exchange interactions in the insulating states can lead to various kinds of magnetic ordering. ...
Berry phase effects in magnetism - the Welcome Page of the Institute
... The parallel transport may also affect the phase of the periodic motion of the Foucault pendulum or the rotation phase of a gyroscope, but also the phase of their periodic motion. Let us consider a gyroscope whose rotation axis is constrained to remain parallel to the axis n; let us now move the rot ...
... The parallel transport may also affect the phase of the periodic motion of the Foucault pendulum or the rotation phase of a gyroscope, but also the phase of their periodic motion. Let us consider a gyroscope whose rotation axis is constrained to remain parallel to the axis n; let us now move the rot ...
Many-particle interference beyond many-boson and many
... i.e. events occur with probabilities according to a multinomial distribution [23], which generalizes the binomial distribution found for a two-mode beam splitter [29]. For bosons and fermions, the evaluation of the transition amplitude (13) is, in general, not significantly simpler for the highly sy ...
... i.e. events occur with probabilities according to a multinomial distribution [23], which generalizes the binomial distribution found for a two-mode beam splitter [29]. For bosons and fermions, the evaluation of the transition amplitude (13) is, in general, not significantly simpler for the highly sy ...
Monopoles and fractional vortices in chiral superconductors
... symmetry breaking scheme. In the Standard Model the local electroweak symmetry group SU (2)W × U (1)Y at high energy is broken at low energy to the diagonal subgroup of the electromagnetism U (1)Q , where Q = Y −W3 is the electric charge. In amorphous chiral superconductors the relevant symmetry abo ...
... symmetry breaking scheme. In the Standard Model the local electroweak symmetry group SU (2)W × U (1)Y at high energy is broken at low energy to the diagonal subgroup of the electromagnetism U (1)Q , where Q = Y −W3 is the electric charge. In amorphous chiral superconductors the relevant symmetry abo ...
Lectures on String Theory - UCI Physics and Astronomy
... To whet our appetites and motivate our exploration of the subject, we will see that: • All closed string theories contain a massless spin-2 particle. General arguments say that the only consistent couplings of such a particle are those of a graviton. Open string theories always contain closed string ...
... To whet our appetites and motivate our exploration of the subject, we will see that: • All closed string theories contain a massless spin-2 particle. General arguments say that the only consistent couplings of such a particle are those of a graviton. Open string theories always contain closed string ...
More Graviton Physics
... The calculation of photon interactions with matter is part of any introductory (or advanced) course on quantum mechanics. Indeed the evaluation of the Compton scattering cross section is a standard exercise in relativistic quantum mechanics, since gauge invariance together with the masslessness of t ...
... The calculation of photon interactions with matter is part of any introductory (or advanced) course on quantum mechanics. Indeed the evaluation of the Compton scattering cross section is a standard exercise in relativistic quantum mechanics, since gauge invariance together with the masslessness of t ...
A unification of photons, electrons, and gravitons under qbit
... A unification of photons, electrons, and gravitons under qbit models ...
... A unification of photons, electrons, and gravitons under qbit models ...
Department of Physics, Chemistry and Biology Master’s Thesis
... same spin cannot be on the same site. It means a site can accommodate zero, one or two electrons with opposite spin. Its Hamiltonian has two terms: a kinetic term allowing tunneling of particles between sites and a potential term consisting of the on-site interaction. If the particles in the system ...
... same spin cannot be on the same site. It means a site can accommodate zero, one or two electrons with opposite spin. Its Hamiltonian has two terms: a kinetic term allowing tunneling of particles between sites and a potential term consisting of the on-site interaction. If the particles in the system ...
Blondel-precision-measts-18-07-2013
... Challenge will be to reduce systematics by measuring related processes. ...
... Challenge will be to reduce systematics by measuring related processes. ...
What is new at CERN? - Vanderbilt HEP
... Inspired by Super-strings, Randall and Sundrum took the idea of extra-dimensions (spatial) seriously and asked what would accelerators see/measure. No discovery, putting limits on the models. Gabella CMS Status ...
... Inspired by Super-strings, Randall and Sundrum took the idea of extra-dimensions (spatial) seriously and asked what would accelerators see/measure. No discovery, putting limits on the models. Gabella CMS Status ...
Topological insulator with time
... If we ignore the interactions and consider free fermions, IQHE and QSHE has little difference (the latter is just two copies of the former). However, if we consider interacting fermions: † IQHE: We know that all the effect remain the same in the presence of strong interactions (in addition to the fr ...
... If we ignore the interactions and consider free fermions, IQHE and QSHE has little difference (the latter is just two copies of the former). However, if we consider interacting fermions: † IQHE: We know that all the effect remain the same in the presence of strong interactions (in addition to the fr ...
Invitation to Elementary Particles
... In this text we hope to give the reader not familiar with the Quantum Field Theory a picture and a certain level of true understanding of today’s particle physics through a direct experience with real experimental data. To achieve this goal we present a non-orthodox approach to the topic. Usually, t ...
... In this text we hope to give the reader not familiar with the Quantum Field Theory a picture and a certain level of true understanding of today’s particle physics through a direct experience with real experimental data. To achieve this goal we present a non-orthodox approach to the topic. Usually, t ...
ppt
... • one of the most exciting developments in the study of cold atomic gases was the observation of vortices. The reason for this was that the appearance of a vortex was a direct manifestation of the superfluid nature of a Bose-condensed gas. Of course, superfluidity was evident in many other situation ...
... • one of the most exciting developments in the study of cold atomic gases was the observation of vortices. The reason for this was that the appearance of a vortex was a direct manifestation of the superfluid nature of a Bose-condensed gas. Of course, superfluidity was evident in many other situation ...
The quantum phases of matter - Subir Sachdev
... being played by a smaller velocity associated with the lattice Hamiltonian. Moreover, many such states are described by a quantum field theory which is invariant under conformal transformations of spacetime, and hence Section 3 will describe ‘conformal’ quantum matter. Section 4 will turn to ‘compre ...
... being played by a smaller velocity associated with the lattice Hamiltonian. Moreover, many such states are described by a quantum field theory which is invariant under conformal transformations of spacetime, and hence Section 3 will describe ‘conformal’ quantum matter. Section 4 will turn to ‘compre ...
Bose-Einstein condensation in dilute atomic gases
... name ultralow temperature physics, since the temperatures of the gaseous BEC systems are usually in the nanokelvin range. Ultracold atomic gases and nuclear spin systems (for which picokelvin spin temperatures were obtained in Helsinki [3]) are the coldest matter studied so far. Alternatively, one m ...
... name ultralow temperature physics, since the temperatures of the gaseous BEC systems are usually in the nanokelvin range. Ultracold atomic gases and nuclear spin systems (for which picokelvin spin temperatures were obtained in Helsinki [3]) are the coldest matter studied so far. Alternatively, one m ...