Kondo Model for the ‘‘0.7 Anomaly’’ in Transport through a... * Kenji Hirose, Yigal Meir, and Ned S. Wingreen
... the Kondo temperature, decrease [22], consistent with experimental observations that the ‘‘0.7 plateau’’ decreases towards 0.5 with increasing QPC length. We have presented a microscopic Anderson model, supported by spin-density-functional theory, for transport through a quantum point contact. The a ...
... the Kondo temperature, decrease [22], consistent with experimental observations that the ‘‘0.7 plateau’’ decreases towards 0.5 with increasing QPC length. We have presented a microscopic Anderson model, supported by spin-density-functional theory, for transport through a quantum point contact. The a ...
Real-time resolution of the causality paradox of time
... Time-dependent density-functional theory 共TDDFT兲 关1–3兴 is becoming a standard tool for the computation of time-dependent phenomena in condensed matter physics and quantum chemistry. Naturally the growing number of applications has generated a new interest in the foundations of the theory 共see, for e ...
... Time-dependent density-functional theory 共TDDFT兲 关1–3兴 is becoming a standard tool for the computation of time-dependent phenomena in condensed matter physics and quantum chemistry. Naturally the growing number of applications has generated a new interest in the foundations of the theory 共see, for e ...
Beyond_Standard_Model_Physics
... Each order of loops is worse than the previous. unrenormalizable. • Loops induce anomalies (= breaking of classical sym by quantum effects). • Pheno level: loop corrections to scalar mass proportional to Λ^2 fine tuning problem. • SUSY ensures loop cancellation at 1-loop order. not only beauti ...
... Each order of loops is worse than the previous. unrenormalizable. • Loops induce anomalies (= breaking of classical sym by quantum effects). • Pheno level: loop corrections to scalar mass proportional to Λ^2 fine tuning problem. • SUSY ensures loop cancellation at 1-loop order. not only beauti ...
Metal - CFIF
... We investigate in what situations Anderson localization may be relevant in the context of QCD. At the chiral phase transition we provide compelling evidence from lattice and phenomenological instanton liquid models that the QCD Dirac operator undergoes a metal - insulator transition similar to the o ...
... We investigate in what situations Anderson localization may be relevant in the context of QCD. At the chiral phase transition we provide compelling evidence from lattice and phenomenological instanton liquid models that the QCD Dirac operator undergoes a metal - insulator transition similar to the o ...
Applied Gauge/Gravity Duality from Supergravity to Superconductivity Francesco Aprile
... Organization of the Thesis The sequence of chapters can be divided into three blocks. • The first block contains the introductory chapters. In chapter 1 we illustrate the problem of the high-Tc superconductors making a parallelism between the Fermi Liquid theory, the BCS theory of superconductivity ...
... Organization of the Thesis The sequence of chapters can be divided into three blocks. • The first block contains the introductory chapters. In chapter 1 we illustrate the problem of the high-Tc superconductors making a parallelism between the Fermi Liquid theory, the BCS theory of superconductivity ...
Stability Of Matter
... Here E is the energy of an electron that get kicked out of a metal under the impact of a light quantum or, as we now say, a photon of frequency ν. Φ is the minimal energy needed to remove the electron from the metal and depends on the type of metal. In particular, the energy of the elctron does not ...
... Here E is the energy of an electron that get kicked out of a metal under the impact of a light quantum or, as we now say, a photon of frequency ν. Φ is the minimal energy needed to remove the electron from the metal and depends on the type of metal. In particular, the energy of the elctron does not ...
Handbook of Modules - Physikalisches Institut
... and experimental physics. Advanced quantum mechanics and the Master Laboratory are mandatory classes. Advanced physics courses can be selected from a range of state-of-the-art topics in the main research areas of the department. Students can choose each semester among various term papers, where they ...
... and experimental physics. Advanced quantum mechanics and the Master Laboratory are mandatory classes. Advanced physics courses can be selected from a range of state-of-the-art topics in the main research areas of the department. Students can choose each semester among various term papers, where they ...
Intensities of analogous Rydberg series in CF3Cl, CF3Br and in
... and CF3Br, as relevant representatives of the halogenated methanes, will be presented. Resonance, as well as Rydberg transitions will be dealt with through the molecular-adapted quantum defect orbital (MQDO) method, that has proven to yield correct intensities for Rydberg transitions in a variety of ...
... and CF3Br, as relevant representatives of the halogenated methanes, will be presented. Resonance, as well as Rydberg transitions will be dealt with through the molecular-adapted quantum defect orbital (MQDO) method, that has proven to yield correct intensities for Rydberg transitions in a variety of ...
here.
... reproduces Newton’s equation. We denote coordinates by q rather than x to emphasize they need not be Cartesian coordinates. Let us briefly describe how Lagrange’s equations arise. • We consider the problem of determining the classical trajectory that a particle must take if it was at qi at ti and q ...
... reproduces Newton’s equation. We denote coordinates by q rather than x to emphasize they need not be Cartesian coordinates. Let us briefly describe how Lagrange’s equations arise. • We consider the problem of determining the classical trajectory that a particle must take if it was at qi at ti and q ...
Quantum layers over surfaces ruled outside a compact set
... The spectrum of the Laplacian on manifolds is a classical domain of research within geometric analysis. One of its least developed areas is the spectral analysis on noncompact, noncomplete manifolds. An interesting paper by Duclos et al.2 demonstrated, under certain geometric conditions, the existen ...
... The spectrum of the Laplacian on manifolds is a classical domain of research within geometric analysis. One of its least developed areas is the spectral analysis on noncompact, noncomplete manifolds. An interesting paper by Duclos et al.2 demonstrated, under certain geometric conditions, the existen ...
Three particle Hyper Entanglement: Teleportation and Quantum Key
... We describe a system of particles in such a way that one particle is entangled to all other particles in different degrees of freedom. Let us consider a system consisting of three photons where photon 2 is entangled with photons 1 and 3 in different degrees of freedom namely OAM and polarization res ...
... We describe a system of particles in such a way that one particle is entangled to all other particles in different degrees of freedom. Let us consider a system consisting of three photons where photon 2 is entangled with photons 1 and 3 in different degrees of freedom namely OAM and polarization res ...
Quantum nonlocality
... •Leibniz: “there are never in nature two exactly similar entities in which one cannot find an internal difference” We all know that two electrons exhibit no internal differences. •In classical physics one can try to “individuate” absolutely identical objects by considering their locations in space a ...
... •Leibniz: “there are never in nature two exactly similar entities in which one cannot find an internal difference” We all know that two electrons exhibit no internal differences. •In classical physics one can try to “individuate” absolutely identical objects by considering their locations in space a ...
Geometry of entangled states, Bloch spheres and Hopf fibrations R´emy Mosseri
... (α exp iϕ, β exp iϕ) is mapped on the same single point with a complex coordinate C. Note that the complex conjugation, in the above definition for the Hopf map, h1 , is not necessary to represent a great circle fibration. It is used here on purpose to get an exact one-to-one relation with the above ...
... (α exp iϕ, β exp iϕ) is mapped on the same single point with a complex coordinate C. Note that the complex conjugation, in the above definition for the Hopf map, h1 , is not necessary to represent a great circle fibration. It is used here on purpose to get an exact one-to-one relation with the above ...
Quantum Heisenberg models and their probabilistic representations
... We review cycle and loop models that arise from quantum Heisenberg spin systems. The loops and cycles are geometric objects defined on graphs. The main goal is to understand properties such as their length in large graphs. The cycle model was introduced by Tóth as a probabilistic representation of ...
... We review cycle and loop models that arise from quantum Heisenberg spin systems. The loops and cycles are geometric objects defined on graphs. The main goal is to understand properties such as their length in large graphs. The cycle model was introduced by Tóth as a probabilistic representation of ...
Fractional Quantum Hall Effect in Suspended
... Since at present there are no reliable Hall-bar measurements in SG, it is tempting to use the two-terminal conductance for extracting the components of the conductivity tensor σxx and σxy . However, the two-terminal conductance depends simultaneously on σxx , σxy and sample geometry, and thus ’decon ...
... Since at present there are no reliable Hall-bar measurements in SG, it is tempting to use the two-terminal conductance for extracting the components of the conductivity tensor σxx and σxy . However, the two-terminal conductance depends simultaneously on σxx , σxy and sample geometry, and thus ’decon ...
Exploring topological phases with quantum walks
... FIG. 3. (Color online) (a) One-dimensional split-step DTQW protocol, see Eq. (10). (b) Winding number associated with the split-step DTQW as a function of the spin-rotation angles θ1 and θ2 . Topologically distinct gapped phases are separated by phase-transition lines where a gap closes at either E ...
... FIG. 3. (Color online) (a) One-dimensional split-step DTQW protocol, see Eq. (10). (b) Winding number associated with the split-step DTQW as a function of the spin-rotation angles θ1 and θ2 . Topologically distinct gapped phases are separated by phase-transition lines where a gap closes at either E ...