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Pressure-induced superconductivity beyond magnetic quantum criticality in a Kondo ferromagnet. [PDF]

open access: yesNatl Sci Rev
Zhang Y   +15 more
europepmc   +1 more source

Triplet Fermions and Dirac Fermions in Borophene

open access: yesPhysical Review B, 2017
Borophene is a monolayer materials made of boron. A perfect planar boropehene called $β_{12}$ borophene has Dirac cones and they are well reproduced by a tight-binding model according to recent experimental and first-principles calculation results. We explicitly derive a Dirac theory for them. Dirac cones are gapless when the inversion symmetry exists,
Motohiko Ezawa
exaly   +4 more sources
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Fermionic oscillator in a fermionic bath

Physical Review E, 2012
The quantum dissipation of a fermionic oscillator in an environment of fermionic oscillators is considered. Since fermions anticommute, their eigenvalues are anticommuting numbers. Based on an expansion of the reduced density operator in terms of fermionic coherent states which make use of these anticommuting numbers or Grassmann variables, a Fokker ...
Arnab, Ghosh   +2 more
openaire   +2 more sources

Fermion-Fermion Stars

Communications in Theoretical Physics, 1999
The fermion-fermion stars, i.e., the dark matter self-gravitating systems made from two kinds of fermions with different masses, are considered. We review the stability of the systems, present a comparison between the maxima of gravitational redshift for fermion stars, compact stars, Bondi stars, bonson stars and fermion-fermion stars, and then ...
Jin KeJian, Zhang YuanZhong
openaire   +1 more source

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