Spin bogoliubov transformation

1. PDF Mixed-Spin Pairing Condensates in Heavy Nuclei.
2. Holstein-Primakoff and Bogoliubov transformation - .
3. PDF Schwinger-boson mean-field theory of the Heisenberg ferrimagnetic spin chain.
4. On Lorentz violation in e-#92;#92;!#92;#92;!#92;#92;!e#92;#92;!#92;#92;rightarrow#92;#92;!.
5. On spin-statistics and bogoliubov transformations in flat space-time.
6. Majorana nanowires for topological quantum computation: A.
7. Phys. Rev. A 90, 023619 2014 - Three-component topological superfluid.
8. Bogoliubov transformations and fermion condensates in lattice field.
9. What are the physical significance of Bogoliubov.
10. Quantum Quench in the Transverse Field Ising Chain II: Stationary State.
11. AccelerationConditions.
12. PDF The Bogoliubov-de Gennes and Andreev Equations: Andreev Reflection.
13. How to numerically performing Bogoliubov transformation?.

PDF Mixed-Spin Pairing Condensates in Heavy Nuclei.

Download scientific diagram | Planar section of the Wigner function for the multiphoton squeezed state 27 with cubic nonlinearity F X1 = X 3 1 , at values 1 = 3, r = 0.8, and = 0.1. from. On the Bogoliubov-de Gennes equations. TQT 1 Main claims of this talk: 1. For 50 years, almost all theoretical work on inhomogeneous Fermi Superfluids, including work on topological quantum technology in p ip superconductors, has been based on the Bogoliubov-de Gennes generalized mean-field method. 2.

Holstein-Primakoff and Bogoliubov transformation - .

PHYS598 A.J.Leggett Lecture 11 The Bogoliubov-de Gennes and Andreev Equations... 2 where the #x27;s are fermion quasiparticles operators satisfying the anti-commutation rela-tions [ n, n 0] = nn0 0 6 and the E n are the positive solutions of the pair of equations the BdG equations for two functions u.

PDF Schwinger-boson mean-field theory of the Heisenberg ferrimagnetic spin chain.

Generalized Bogoliubov transformation; 4.3. The antiferromagnetic checkerboard lattice; 4.4. Antiferromagnetic honeycomb lattice; 4.5. The antiferromagnetic Union Jack lattice; 4.6. Exercises... The book presents the basic tools to treat spin models in magnetic systems such as: spin waves, Schwinger bosons formalism, Self-consistent harmonic.

On Lorentz violation in e-#92;#92;!#92;#92;!#92;#92;!e#92;#92;!#92;#92;rightarrow#92;#92;!.

We study theoretically the collective excitations of a spin-orbit-coupled spin-1 Bose-Einstein condensate with antiferromagnetic spin-exchange interactions in a cigar-shaped trapping potential at zero and finite temperatures using the Hartree-Fock-Bogoliubov theory with Popov approximation. The collective modes at zero temperature are corroborated by real-time evolution of the ground state.

On spin-statistics and bogoliubov transformations in flat space-time.

Hence, the Bogoliubov transformation is merely a rotation of the phase space, the coefficients can be expressed in terms of trigonometric for Fermions or..

Majorana nanowires for topological quantum computation: A.

This transformation corresponds to choosing the quantization axis along the direction of the local SU N order parameter, as is done in the traditional SWT with the SU 2 HP bosons. The HP representation of the SU N generators is given by Omm = b rm brm , where b r0 and br0 have to be replaced by the expression given in Eq. 6 . Because of the sign change under rotations by 2, Hermitian operators transforming as spin 1/2, 3/2 etc., cannot be observables. This shows up as the univalence superselection rule: phases between states of spin 0, 1, 2 etc. and those of spin 1/2, 3/2 etc., are not observable. This rule is in addition to the non-observability of the overall.

Phys. Rev. A 90, 023619 2014 - Three-component topological superfluid.

The microscopic Hamiltonian for a spin-glass is diagonalized using the Holstein-Primakoff and Bogoliubov transformations. Both an external, Zeeman, and internal anisotropy field are included. The Zeeman energy enters the resonance condition with an extra factor of one-half which is shown to be of geometrical origin. Transformation in order to solve the system as it was infinite. This modified Hamiltonian will have finite size effects that become negligible as ngrows. The Jordan-Wigner transformation corre-sponds to transform the spin operators into fermionicmodesc[24]: c j= Y llt;j z l! x j i y j 2,c j = x j i y j 2 Y llt;j z l!, 4.

Bogoliubov transformations and fermion condensates in lattice field.

We theoretically investigate one-dimensional three-component spin-orbit-coupled Fermi gases in the presence of the Zeeman field. By solving the Bogoliubov-de Gennes equations, we obtain the phase diagram at a given chemical potential and order parameter. We show that, with increasing the intensity of the Zeeman field, in addition to undergoing a phase transition from Bardeen-Cooper-Schrieffer.

What are the physical significance of Bogoliubov.

In this paper, by considering Bogoliubov transformations between real massless spin-0-field modes propagating in a slowly-varying Schwarzschild-like solution, such as appears in Sec.2 of [3] for adiabatic modes. Such Vaidya-like approximate classical solutions will subsequently be treated in more detail [13].

Quantum Quench in the Transverse Field Ising Chain II: Stationary State.

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AccelerationConditions.

Furthermore, Bogoliubov transformation is a canonical transformation required for diagonalizing the Hamiltonian for AFM. The HP and Bogoliubov transformation are iilustrated by the following steps: First, introduce the basic idea of how we construct angular momentum operator. Then we derive the Hamiltonian Heisenberg modelfor FM and AFM. The systems involving nontrivial Bogoliubov transformations contain dynamics which point to commutation relations. Particles described by in-modes obey the same statistics as particles described by out-modes. It is found in the nontrivial systems that the spin-statistics connection can be manifest from the acceleration. The Bogoliubov-Valatin transformation has been generalized to include neutron-proton pairing correlations,i.e. the part of the neutron-proton n, p residual interaction which is effective for pairs of nucleons coupled toJ=0,T=1. The proposed method thus treats n-n, p-p and n-p pairing on the same footing. The general formalism has been first established for the realistic case of manyj shells.

PDF The Bogoliubov-de Gennes and Andreev Equations: Andreev Reflection.

The generalized Bogoliubov transformation, Equation , for these parameters is The Green#x27;s function for the Dirac field in phase space is where is a time-like vector. Then, the physical energy-momentum tensor is In order to calculate the Stefan-Boltzmann law, taking leads to This is the Stefan-Boltzmann law for the Dirac field in phase space.

How to numerically performing Bogoliubov transformation?.

Mation around the local spin axes, the Hamiltonian is given to leading order in S 1 by H 0 = P k y k H 0k k in the basis y k = a y k;b y k;a k;b k. To diagonalize the Hamiltonian, we perform the Bogoliubov transformation k = U k k, where U k is a paraunitary matrix, and the Mechanism Physical process Aharonov-Casher Phase accumulation of. Spin-wave theory SWT! and the quantum Monte Carlo method QMC!, which is confirmed by Kolezhuket al.3 with the matrix product approach. It is also consistent with... Then the angle of the Bogoliubov transformation is ex-pressed in a compact form cosh2uk5 1 A12h2g k 2, sinh2uk5 uhgku 12h2g k 2, 10! and the self-consistent equations read.

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