
Optically dressed magnetic atoms
... The continuing decrease of the size of the structures used in semiconductor electronics and in magnetic informationstorage devices has dramatically reduced the number of atoms necessary to process and store one bit of information: An individual magnetic atom would represent the ultimate size limit f ...
... The continuing decrease of the size of the structures used in semiconductor electronics and in magnetic informationstorage devices has dramatically reduced the number of atoms necessary to process and store one bit of information: An individual magnetic atom would represent the ultimate size limit f ...
On the Quantum Correction For Thermodynamic Equilibrium
... The probability of a configuration is given in classical theory by the Boltzmann formula exp [ —V/kT] where U is the potential energy of this configuration. For high temperatures this of course also holds in quantum theory. For lower temperatures, however, a correction term has to be introduced, whi ...
... The probability of a configuration is given in classical theory by the Boltzmann formula exp [ —V/kT] where U is the potential energy of this configuration. For high temperatures this of course also holds in quantum theory. For lower temperatures, however, a correction term has to be introduced, whi ...
A quantum calculation of the higher order terms in the Bloch
... centre of the resonance we are interested in, is given by the abscissa of the points A, and Az where the energy levels of figure 1 have a zero slope (centre of the first anticrossing). Let us call l a ) = 1 +, n ) and Ib) = j -, n + l > the two unperturbed levels corresponding to this anticrossing. ...
... centre of the resonance we are interested in, is given by the abscissa of the points A, and Az where the energy levels of figure 1 have a zero slope (centre of the first anticrossing). Let us call l a ) = 1 +, n ) and Ib) = j -, n + l > the two unperturbed levels corresponding to this anticrossing. ...
Kyung Kyu Kim
... By the analytic solution and the holographic renormalization( the Smarr relation ), one can derive the 1st law of thermodynamics. From the first law or the Smarr relation, one can find the magnetization. Magnetization ...
... By the analytic solution and the holographic renormalization( the Smarr relation ), one can derive the 1st law of thermodynamics. From the first law or the Smarr relation, one can find the magnetization. Magnetization ...
SPIN WAVES (INCLUDING DIMENSIONALITY
... to the exchange energy of the involved electrons as well as the magnetic anisotropy caused by the spin-orbit interaction and the classical magnetic dipole interaction between the magnetic atoms. Intensive research has lead to a deep understanding of the magnetic ground state, the detailed spin confi ...
... to the exchange energy of the involved electrons as well as the magnetic anisotropy caused by the spin-orbit interaction and the classical magnetic dipole interaction between the magnetic atoms. Intensive research has lead to a deep understanding of the magnetic ground state, the detailed spin confi ...
On the Energy Spectrum and Ground
... Here S i,k,m is the spin operator located on i-th lattice site of the unit cell labeled by index k, m is a number of the corresponding cyclic fragment; i = 1 corresponds to the site spin s1 and i = 2, 3 correspond to the site spins s2 . The parameter α represents a relative strength of the nearest-n ...
... Here S i,k,m is the spin operator located on i-th lattice site of the unit cell labeled by index k, m is a number of the corresponding cyclic fragment; i = 1 corresponds to the site spin s1 and i = 2, 3 correspond to the site spins s2 . The parameter α represents a relative strength of the nearest-n ...
Electron Spin
... • Information is stored into spin as one of two possible orientations • Spin lifetime is relatively long, on the order of nanoseconds • Spin currents can be manipulated • Spin devices may combine logic and storage functionality eliminating the need for separate components • Magnetic storage is nonvo ...
... • Information is stored into spin as one of two possible orientations • Spin lifetime is relatively long, on the order of nanoseconds • Spin currents can be manipulated • Spin devices may combine logic and storage functionality eliminating the need for separate components • Magnetic storage is nonvo ...
4.4 The Hamiltonian and its symmetry operations
... Knowing the complete set of symmetry operators Si of a Hamiltonian, each Eigenstate ψ can be written as ψ = ψs1 ψs2 ...ψsN Every state can be evaluated into these Eigenvectors: X ξ= ψs1 ψs2 ...ψsN ...
... Knowing the complete set of symmetry operators Si of a Hamiltonian, each Eigenstate ψ can be written as ψ = ψs1 ψs2 ...ψsN Every state can be evaluated into these Eigenvectors: X ξ= ψs1 ψs2 ...ψsN ...
Nuclear Magnetic Resonance, NMR
... magnetic field strength will be proportional to their magnetic moments. For the four common nuclei the magnetic moments are: 1H μ = 2.7927, 19F μ = 2.6273, ...
... magnetic field strength will be proportional to their magnetic moments. For the four common nuclei the magnetic moments are: 1H μ = 2.7927, 19F μ = 2.6273, ...
Candidates of Low-lying Dibaryons in a Nodal Surface Analysis
... classified, the quantum numbers and the configurations of the wave-functions are obtained. ...
... classified, the quantum numbers and the configurations of the wave-functions are obtained. ...
Locating the quantum critical point of the Bose
... from the classical 3D XY model to the quantum 2D Bose-Hubbard model, we expect that the third derivative of the ground-state energy will be singular. This translates into the divergent second derivative of both nearest-neighbor correlation function and variance through (9) and (10), respectively. Su ...
... from the classical 3D XY model to the quantum 2D Bose-Hubbard model, we expect that the third derivative of the ground-state energy will be singular. This translates into the divergent second derivative of both nearest-neighbor correlation function and variance through (9) and (10), respectively. Su ...
Quantum Hall effect in three-dimensional layered systems Yigal Meir
... analytic. This crossover can be studied via the critical behavior of the conductance @Eqs. ~4! and ~5!#, or by that of d s xy /dB. 20 In the adiabatic approximation there is a zero-temperature metallic phase only in the true three-dimensional limit (N →`), which is the classical limit (S→`) of the s ...
... analytic. This crossover can be studied via the critical behavior of the conductance @Eqs. ~4! and ~5!#, or by that of d s xy /dB. 20 In the adiabatic approximation there is a zero-temperature metallic phase only in the true three-dimensional limit (N →`), which is the classical limit (S→`) of the s ...
school_ksengupta_1
... Another interpretation: Laplace transform of work distribution Consider the work done WN for a system of size N when one of its Hamiltonian parameter is quenched from g0 to g Define the moment generating function of WN One can think of G(s) as the partition function of a classical (d+1)-dimensional ...
... Another interpretation: Laplace transform of work distribution Consider the work done WN for a system of size N when one of its Hamiltonian parameter is quenched from g0 to g Define the moment generating function of WN One can think of G(s) as the partition function of a classical (d+1)-dimensional ...
PPT file - Centre national de la recherche scientifique
... Effective mass diverges in the TG limit: (it costs no energy to flip a spin when ...
... Effective mass diverges in the TG limit: (it costs no energy to flip a spin when ...
Answers to Questions - EECS: www
... levels (“states”). Since total vibration energy increases proportionately with temperature, the probability of finding a phonon in a higher-energy state increases; hence the number of phonons increases with temperature – and the average time between lattice-scattering events decreases. EE130/230A Fa ...
... levels (“states”). Since total vibration energy increases proportionately with temperature, the probability of finding a phonon in a higher-energy state increases; hence the number of phonons increases with temperature – and the average time between lattice-scattering events decreases. EE130/230A Fa ...
Lecture 33: Quantum Mechanical Spin
... • The physical meaning of spin is not wellunderstood • Fro Dirac eq. we find that for QM to be ...
... • The physical meaning of spin is not wellunderstood • Fro Dirac eq. we find that for QM to be ...
Easy Problems in Physics 130B
... 5. A spin 1 particle is in an ` = 2 state. a) Find the allowed values of the total angular momentum quantum number, j. b) Write out the |j, mj i states for the largest allowed j value, in terms of the |`, ml i|s, ms i basis. (That is give one state for every mj value.) c) If the particle is prepare ...
... 5. A spin 1 particle is in an ` = 2 state. a) Find the allowed values of the total angular momentum quantum number, j. b) Write out the |j, mj i states for the largest allowed j value, in terms of the |`, ml i|s, ms i basis. (That is give one state for every mj value.) c) If the particle is prepare ...
Time reversal and the symplectic symmetry of the electron spin.
... SU(N). These symmetries occupy a place of great importance in the theory of magnetism and superconductivity. For example, the inversion of spins under time reversal is central to the formation of singlet pairs, formed through the combination of a spin with its time reversed twin. In the SU(N) group, ...
... SU(N). These symmetries occupy a place of great importance in the theory of magnetism and superconductivity. For example, the inversion of spins under time reversal is central to the formation of singlet pairs, formed through the combination of a spin with its time reversed twin. In the SU(N) group, ...
Very brief introduction to Conformal Field Theory
... Non-Abelian Anyons and Topological Quantum Computation C. Nayak, S. H. Simon, A. Stern, M. Freedman, S. Das Sarma, ...
... Non-Abelian Anyons and Topological Quantum Computation C. Nayak, S. H. Simon, A. Stern, M. Freedman, S. Das Sarma, ...
Problem Set II
... momentum. It is coupled to the first through the denominator that depends on r, the distance between the two bodies. a) Expand P2/2μr2 in a Taylor series in r about r = re. Perform the expansion through second order; that is, include terms up to (r - re)2. Don’t expand P2; it is a constant of the mo ...
... momentum. It is coupled to the first through the denominator that depends on r, the distance between the two bodies. a) Expand P2/2μr2 in a Taylor series in r about r = re. Perform the expansion through second order; that is, include terms up to (r - re)2. Don’t expand P2; it is a constant of the mo ...