Transfer Matrices and Excitations with Matrix Product States
... Translation invariant MPO decomposition of → MPS matrix is itself half-infinite MPO ...
... Translation invariant MPO decomposition of → MPS matrix is itself half-infinite MPO ...
UvA-DARE (Digital Academic Repository) Electrostatic analogy for
... of charges (Le., by employing a canonical ensemble for the surfactant species), we set the value of z in accord with eq 2.12. If we employed an ensemble that allowed the number to fluctuate, the value of z would have to be determined self-consistently in terms of the average surfactant number Ldp. T ...
... of charges (Le., by employing a canonical ensemble for the surfactant species), we set the value of z in accord with eq 2.12. If we employed an ensemble that allowed the number to fluctuate, the value of z would have to be determined self-consistently in terms of the average surfactant number Ldp. T ...
A statistical mechanics approach to the factorization problem
... are also minimum spanning tree problems in the limit of very broad disorder. For quantum spin problems, asymptotically exact renormalization group methods based on analogous ideas have been developed10,11 Here the pair of spins with the single strongest bond is integrated out which perturbatively mo ...
... are also minimum spanning tree problems in the limit of very broad disorder. For quantum spin problems, asymptotically exact renormalization group methods based on analogous ideas have been developed10,11 Here the pair of spins with the single strongest bond is integrated out which perturbatively mo ...
"Exactly solvable model of disordered two
... KM was proposed for description of non-interacting electrons in a random potential V(r) (disordered electrons in metals or semiconductors) ...
... KM was proposed for description of non-interacting electrons in a random potential V(r) (disordered electrons in metals or semiconductors) ...
IOSR Journal of Applied Physics (IOSR-JAP) e-ISSN: 2278-4861.
... With the advent and wide availability of powerful computers, the methodology of computer simulation has become a ubiquitous tool in the study of many body systems. The basic idea in these methods is that with a computer, one may follow the trajectory of system involving 102 or even 103 degrees of fr ...
... With the advent and wide availability of powerful computers, the methodology of computer simulation has become a ubiquitous tool in the study of many body systems. The basic idea in these methods is that with a computer, one may follow the trajectory of system involving 102 or even 103 degrees of fr ...
The persistent spin helix in the presence of hyperfine
... in hard disk read heads, magnetic RAM, and magnetic sensors. The prospect of having even more accurate control over spin states would open up a whole range of futuristic possibilities such as quantum computation and quantum metrology. One important ingredient required for many spintronic devices is ...
... in hard disk read heads, magnetic RAM, and magnetic sensors. The prospect of having even more accurate control over spin states would open up a whole range of futuristic possibilities such as quantum computation and quantum metrology. One important ingredient required for many spintronic devices is ...
SPIN-LIQUIDS ON THE KAGOME LATTICE: CHIRAL
... (Non-interacting Majorana Fermion Toy model) Think in terms of a “network model” to try to gain intuition about the behavior of the system: ...
... (Non-interacting Majorana Fermion Toy model) Think in terms of a “network model” to try to gain intuition about the behavior of the system: ...
Gauge dynamics of kagome antiferromagnets
... – No sign of magnetic ordering – No sign of “freezing” or glassy behavior – Odd number of half-odd-integer spins in unit cell ...
... – No sign of magnetic ordering – No sign of “freezing” or glassy behavior – Odd number of half-odd-integer spins in unit cell ...
l - Evergreen
... H-atom wavefunctions ↔ electron probability distributions: l = angular momentum wavenumber ...
... H-atom wavefunctions ↔ electron probability distributions: l = angular momentum wavenumber ...
- Free Documents
... for the order parameter near a tricritical point where a line of second order phase transitions meets a line of rst order phase transitions. so m is real but m remains imaginary. while m are minima. We also use the fact that F is symmetric in m and that at large m. b lt . in particular we need to kn ...
... for the order parameter near a tricritical point where a line of second order phase transitions meets a line of rst order phase transitions. so m is real but m remains imaginary. while m are minima. We also use the fact that F is symmetric in m and that at large m. b lt . in particular we need to kn ...
Long-Range Correlations in the Nonequilibrium Quantum Relaxation of a Spin... V 85, N 15
... Nonequilibrium dynamical properties of quantum systems have been of interest recently, experimentally and theoretically. Measurements on magnetic relaxation at low temperatures show deviations from the classical exponential decay [1], which was explained by the effect of quantum tunneling. On the th ...
... Nonequilibrium dynamical properties of quantum systems have been of interest recently, experimentally and theoretically. Measurements on magnetic relaxation at low temperatures show deviations from the classical exponential decay [1], which was explained by the effect of quantum tunneling. On the th ...
4.3 A NOTE ON SUPERCONDUCTIVITY Metals • The definitive
... When a phonon interacts with a member of the Cooper pair to change its momentum, an equal and opposite change occurs in the other member of the pair with the reemission of a phonon to the lattice…no net change in momentum (no resistance)! The interaction of one electron of a Cooper pair with the lat ...
... When a phonon interacts with a member of the Cooper pair to change its momentum, an equal and opposite change occurs in the other member of the pair with the reemission of a phonon to the lattice…no net change in momentum (no resistance)! The interaction of one electron of a Cooper pair with the lat ...
Infinite 1-D Lattice II
... solved. All that remains is to plug into perturbation theory and arrange the results. ...
... solved. All that remains is to plug into perturbation theory and arrange the results. ...
integer QHE in graphene
... F. D. M. Haldane (Princeton) and L. Balents (UCSB) Supported by DOE and NSF ...
... F. D. M. Haldane (Princeton) and L. Balents (UCSB) Supported by DOE and NSF ...
Spinons and triplons in spatially anisotropic triangular antiferromagnet Oleg Starykh
... • Quantum triad: uniform magnetization M = JR + JL , staggered magnetization N and staggered dimerization ε = (-1)x Sx Sx+1 Components of Wess-Zumino-Witten-Novikov SU(2) matrix ...
... • Quantum triad: uniform magnetization M = JR + JL , staggered magnetization N and staggered dimerization ε = (-1)x Sx Sx+1 Components of Wess-Zumino-Witten-Novikov SU(2) matrix ...
Quantum Magnetism
... You can easily calculate that the energy of the triplet state in this Hamiltonian is J/4, and that of the singlet state −3J/4. So the splitting is indeed J. Note that the sign of J in the H2 case is positive, meaning the S = 0 state is favored; the interaction is then said to be antiferromagnetic, m ...
... You can easily calculate that the energy of the triplet state in this Hamiltonian is J/4, and that of the singlet state −3J/4. So the splitting is indeed J. Note that the sign of J in the H2 case is positive, meaning the S = 0 state is favored; the interaction is then said to be antiferromagnetic, m ...
Problem set VI Problem 6.1 Problem 6.2 Problem 6.3 Problem 6.4
... Consider a beam of spin 12 particles in a Stern-Gerlach experiment, having spin aligned in the positive x direction, i.e. |Sx , +i. When this beam goes through a Stern-Gerlach apparatus with an inhomogeneous magnetic field in the z-direction (SGz), it splits into two beams of equal intensity, i.e. | ...
... Consider a beam of spin 12 particles in a Stern-Gerlach experiment, having spin aligned in the positive x direction, i.e. |Sx , +i. When this beam goes through a Stern-Gerlach apparatus with an inhomogeneous magnetic field in the z-direction (SGz), it splits into two beams of equal intensity, i.e. | ...
Document
... Ferromagnets have spontaneous ordering of the spins in neighboring atoms due to exchange coupling. If spins make angle θ, exchange energy = A (1 – cosθ) ...
... Ferromagnets have spontaneous ordering of the spins in neighboring atoms due to exchange coupling. If spins make angle θ, exchange energy = A (1 – cosθ) ...
Quantum Electrodynamics
... Dirac’s primary objective in deriving the field equations for fermions was to linearize the Klein-Gordon equation (Eq. 2.84) which, being quadratic in E, opened doors to solutions with negative energy that needed to be explained. Originally, Dirac handled the problem of preventing all fermions from ...
... Dirac’s primary objective in deriving the field equations for fermions was to linearize the Klein-Gordon equation (Eq. 2.84) which, being quadratic in E, opened doors to solutions with negative energy that needed to be explained. Originally, Dirac handled the problem of preventing all fermions from ...
