Dimerized Phase and Transitions in a Spatially Anisotropic Square Lattice... Oleg A. Starykh and Leon Balents
... An interplay between geometric frustration and quantum fluctuations is at the heart of intensive current investigations into the nature of possible SU2-invariant Mott insulators and quantum phase transitions. The absence of any ‘‘natural’’ small parameter, however, makes a traditional perturbative ...
... An interplay between geometric frustration and quantum fluctuations is at the heart of intensive current investigations into the nature of possible SU2-invariant Mott insulators and quantum phase transitions. The absence of any ‘‘natural’’ small parameter, however, makes a traditional perturbative ...
What is Quantum Computation? - IC
... Transistors in classical computers rely on quantum mechanics for their operation. This does not make them quantum computers! Processor has limited knowledge of information being processed. Quantum computing • n-bit register in superposition of states: massively parallel computation on 2n numbers sim ...
... Transistors in classical computers rely on quantum mechanics for their operation. This does not make them quantum computers! Processor has limited knowledge of information being processed. Quantum computing • n-bit register in superposition of states: massively parallel computation on 2n numbers sim ...
Chapter 42
... The hydrogen atom is the only atomic system that can be solved exactly. Much of what was learned in the twentieth century about the hydrogen atom, with its single electron, can be extended to such single-electron ions as He+ and Li2+. The hydrogen atom is an ideal system for performing precisi ...
... The hydrogen atom is the only atomic system that can be solved exactly. Much of what was learned in the twentieth century about the hydrogen atom, with its single electron, can be extended to such single-electron ions as He+ and Li2+. The hydrogen atom is an ideal system for performing precisi ...
Chapter 7: Motion in Spherically Symmetric Potentials
... spherically symmetric potentials form groups of 2` + 1 energetically degenerate states, so-called multiplets where ` = 0, 1, 2, . . .. Following a convention from atomic spectroscopy, one refers to the multiplets with ` = 0, 1, 2, 3 as the s, p, d, f -multipltes, respectively. In the remainder of th ...
... spherically symmetric potentials form groups of 2` + 1 energetically degenerate states, so-called multiplets where ` = 0, 1, 2, . . .. Following a convention from atomic spectroscopy, one refers to the multiplets with ` = 0, 1, 2, 3 as the s, p, d, f -multipltes, respectively. In the remainder of th ...
Aalborg Universitet
... connected to ideal leads where the carriers are quasi free fermions, is completely characterized by a one particle scattering matrix. Many people have since contributed to the justification of this formalism, starting from the first principles of non-equilibrium quantum statistical mechanics. In thi ...
... connected to ideal leads where the carriers are quasi free fermions, is completely characterized by a one particle scattering matrix. Many people have since contributed to the justification of this formalism, starting from the first principles of non-equilibrium quantum statistical mechanics. In thi ...
A short review on Noether`s theorems, gauge
... Any function δs q i (t) that satisfies (2.5) represents a symmetry. Eqn. (2.5) must be understood as an equation for δs q i (t). If, for a given action I[q i (t)], we find all functions δs q i (t) satisfying (2.5), then we have solved the equations of motion of the problem. The central force problem ...
... Any function δs q i (t) that satisfies (2.5) represents a symmetry. Eqn. (2.5) must be understood as an equation for δs q i (t). If, for a given action I[q i (t)], we find all functions δs q i (t) satisfying (2.5), then we have solved the equations of motion of the problem. The central force problem ...
A Diffusion Model for the Schrodinger Equation*l
... Equation (20) states, in essence, that the effective average temperature of the diffusion process must always be finite. Postulate II is obviously necessary since if it were violated the physical model of a given process would possess an infinite kinetic energy and therefore could never be implement ...
... Equation (20) states, in essence, that the effective average temperature of the diffusion process must always be finite. Postulate II is obviously necessary since if it were violated the physical model of a given process would possess an infinite kinetic energy and therefore could never be implement ...
91, 053630 (2015).
... has the same sign as m and becomes zero if m = 0. Both characteristics show similar physics to that in SLM coupled BEC or SOAM coupled ring BEC. Figure 2(b) shows the lowest band for selected points at K = 5 in Fig. 2(a). One can see how the band structure evolves between different ground states. At ...
... has the same sign as m and becomes zero if m = 0. Both characteristics show similar physics to that in SLM coupled BEC or SOAM coupled ring BEC. Figure 2(b) shows the lowest band for selected points at K = 5 in Fig. 2(a). One can see how the band structure evolves between different ground states. At ...
Physics 106P: Lecture 6 Notes
... The Free Body Diagram The tools we have for making & solving problems: » Ropes & Pulleys (tension) » Hooke’s Law (springs) ...
... The Free Body Diagram The tools we have for making & solving problems: » Ropes & Pulleys (tension) » Hooke’s Law (springs) ...
Black Holes
... At this energy scale, gravitational interactions comparable to weak interactions strong gravity Radiative stability of electroweak scale is resolved without SUSY, etc. ultraviolet cut-off for the theory is at 1 TeV, where quantum gravity is the new physics ...
... At this energy scale, gravitational interactions comparable to weak interactions strong gravity Radiative stability of electroweak scale is resolved without SUSY, etc. ultraviolet cut-off for the theory is at 1 TeV, where quantum gravity is the new physics ...
and physics - Hal-SHS
... has been evidenced. We shall, at most, be able to utter more statements about this existence and about the admitted characters and properties of this object, in such a way that the evidence, in connexion to experiment, for these properties and this object gets more weight and is endowed with a parti ...
... has been evidenced. We shall, at most, be able to utter more statements about this existence and about the admitted characters and properties of this object, in such a way that the evidence, in connexion to experiment, for these properties and this object gets more weight and is endowed with a parti ...
Three Interpretations for a Single Physical Reality
... At the beginning of the twentieth century, the founding fathers of quantum mechanics established the mathematical formalism that would give rise to one of the most successful devices of experimental physics. It had been originally constructed in order to explain certain empirical inadequacies that t ...
... At the beginning of the twentieth century, the founding fathers of quantum mechanics established the mathematical formalism that would give rise to one of the most successful devices of experimental physics. It had been originally constructed in order to explain certain empirical inadequacies that t ...
Powerpoint 8/12
... Quantum many-body systems which have excitations which are string-like and are self-correct, but into which we can encode quantum information? Q ...
... Quantum many-body systems which have excitations which are string-like and are self-correct, but into which we can encode quantum information? Q ...
Renormalization group
In theoretical physics, the renormalization group (RG) refers to a mathematical apparatus that allows systematic investigation of the changes of a physical system as viewed at different distance scales. In particle physics, it reflects the changes in the underlying force laws (codified in a quantum field theory) as the energy scale at which physical processes occur varies, energy/momentum and resolution distance scales being effectively conjugate under the uncertainty principle (cf. Compton wavelength).A change in scale is called a ""scale transformation"". The renormalization group is intimately related to ""scale invariance"" and ""conformal invariance"", symmetries in which a system appears the same at all scales (so-called self-similarity). (However, note that scale transformations are included in conformal transformations, in general: the latter including additional symmetry generators associated with special conformal transformations.)As the scale varies, it is as if one is changing the magnifying power of a notional microscope viewing the system. In so-called renormalizable theories, the system at one scale will generally be seen to consist of self-similar copies of itself when viewed at a smaller scale, with different parameters describing the components of the system. The components, or fundamental variables, may relate to atoms, elementary particles, atomic spins, etc. The parameters of the theory typically describe the interactions of the components. These may be variable ""couplings"" which measure the strength of various forces, or mass parameters themselves. The components themselves may appear to be composed of more of the self-same components as one goes to shorter distances.For example, in quantum electrodynamics (QED), an electron appears to be composed of electrons, positrons (anti-electrons) and photons, as one views it at higher resolution, at very short distances. The electron at such short distances has a slightly different electric charge than does the ""dressed electron"" seen at large distances, and this change, or ""running,"" in the value of the electric charge is determined by the renormalization group equation.