Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Narozhny, Boris N."'
Publikováno v:
Phys. Rev. B 107, 235401 (2023)
We explore the magnetohydrodynamics of Dirac fermions in neutral graphene in the Corbino geometry. Based on the fully consistent hydrodynamic description derived from a microscopic framework and taking into account all peculiarities of graphene-speci
Externí odkaz:
http://arxiv.org/abs/2301.12516
Autor:
Narozhny, Boris N.
Publikováno v:
La Rivista del Nuovo Cimento (2022)
The last few years have seen an explosion of interest in hydrodynamic effects in interacting electron systems in ultra-pure materials. One such material, graphene, is not only an excellent platform for the experimental realization of the hydrodynamic
Externí odkaz:
http://arxiv.org/abs/2207.10004
Publikováno v:
Phys. Rev. B 107, 045413 (2023)
We explore hydrodynamics of Dirac fermions in neutral graphene in the Corbino geometry. In the absence of magnetic field, the bulk Ohmic charge flow and the hydrodynamic energy flow are decoupled. However, the energy flow does affect the overall resi
Externí odkaz:
http://arxiv.org/abs/2206.07414
Autor:
Danz, Sven, Narozhny, Boris N.
Publikováno v:
2D Materials 7, 035001 (2020)
In ultra-pure materials electrons may exhibit a collective motion similar to the hydrodynamic flow of a viscous fluid, the phenomenon with far reaching consequences in a wide range of many body systems from black holes to high-temperature superconduc
Externí odkaz:
http://arxiv.org/abs/1910.14473
Autor:
Narozhny, Boris N.
Publikováno v:
Annals of Physics 411, 167979 (2019)
In this paper I report a pedagogical derivation of the unconventional electronic hydrodynamics in graphene on the basis of the kinetic theory. While formally valid in the weak coupling limit, this approach allows one to derive the unconventional hydr
Externí odkaz:
http://arxiv.org/abs/1905.09686
Publikováno v:
Phys. Rev. B 98, 195103 (2018)
The elastic response of an electron fluid at finite frequencies is defined by the electron viscosity $\eta(\omega)$. We determine $\eta(\omega)$ for graphene at the charge neutrality point in the collisionless regime, including the leading correction
Externí odkaz:
http://arxiv.org/abs/1808.04658
Publikováno v:
Phys. Rev. Lett. 120, 196801 (2018)
We study the hydrodynamic behavior in two-dimensional, interacting electronic systems with merging Dirac points at charge neutrality. The dispersion along one crystallographic direction is Dirac-like, while it is Newtonian-like in the orthogonal dire
Externí odkaz:
http://arxiv.org/abs/1708.02759
Publikováno v:
Phys. Rev. B 93, 045128 (2016)
We study the temperature-dependent quantum correction to conductivity due to the interplay of spin density fluctuations and weak disorder for a two-dimensional metal near an antiferromagnetic (AFM) quantum critical point. AFM spin density fluctuation
Externí odkaz:
http://arxiv.org/abs/1507.02603
Publikováno v:
Phys. Rev. B 90, 205419 (2014)
We analyze out-of-equilibrium fluctuations in a driven spin system and relate them to the noise of spin susceptibility. In the spirit of the linear response theory we further relate the noise of susceptibility to a $4$-spin correlation function in eq
Externí odkaz:
http://arxiv.org/abs/1407.6937