Zobrazeno 1 - 10 of 236 pro vyhledávání: '"K H, Kiessling"'
2
Superconductivity near a quantum critical point in the extreme retardation regime
Autor: Emil A. Yuzbashyan, Michael K.-H. Kiessling, Boris L. Altshuler
Publikováno v: Physical Review B. 106
We study fermions at quantum criticality with extremely retarded interactions of the form $V(\omega_l)=(g/|\omega_l|)^\gamma$, where $\omega_l$ is the transferred Matsubara frequency. This system undergoes a normal-superconductor phase transition at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfc6984f55a110770903d55b1e6c2c52
https://doi.org/10.1103/physrevb.106.064502
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6
On the discrete Dirac spectrum of a point electron in the zero-gravity Kerr–Newman spacetime
Autor: Michael K.-H. Kiessling, Eric Ling, A. Shadi Tahvildar-Zadeh
Publikováno v: Journal of Mathematical Physics. 63:112301
The discrete spectrum of the Dirac operator for a point electron in the maximal analytically extended Kerr--Newman spacetime is determined in the zero-$G$ limit (z$G$KN), under some restrictions on the electrical coupling constant and on the radius o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63736d4eaa22b38b59847795ab915fe5
https://doi.org/10.1063/5.0084471
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7
On the asymptotic decay of the Schr\'odinger--Newton ground state
Autor: Michael K.-H. Kiessling
The asymptotics of the ground state $u(r)$ of the Schr\"odinger--Newton equation in $\mathbb{R}^3$ was determined by V. Moroz and J. van Schaftingen to be $u(r) \sim A e^{-r}/ r^{1 - \|u\|_2^2/8\pi}$ for some $A>0$, in units that fix the exponential
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ee6a5e726cd503e19adebf5d1089f14
http://arxiv.org/abs/2101.01296
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8
Electrically non-neutral ground states of stars
Autor: Michael K.-H. Kiessling, Parker Hund
To approximately compute the non-relativistic ground state of an electrically non-neutral star, an exactly solvable model was recently introduced, and partly solved, by Krivoruchenko, Nadyozhin, and Yudin. The model generalizes the well-known Lane--E
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27db1543845926ba7ca7bd9c3eb17337
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9
On the Dirac operator for a test electron in a Reissner–Weyl–Nordström black hole spacetime
Autor: Ebru Toprak, A. Shadi Tahvildar-Zadeh, Michael K.-H. Kiessling
Publikováno v: General Relativity and Gravitation. 53
The present paper studies the Dirac Hamiltonian of a test electron with a domain of bi-spinor wave functions supported on the static region inside the Cauchy horizon of the subextremal RWN black hole spacetime, respectively inside the event horizon o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::717b63ba648421ad022ed05f5db1960b
https://doi.org/10.1007/s10714-021-02789-0
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10
How much electric surcharge fits on ... a white dwarf star?
Autor: Parker Hund, Michael K.-H. Kiessling
The question how much surplus of electric charge ("surcharge") fits on an object is generally very difficult to answer. Here it is shown that it is easy to answer when the object is a \emph{failed white dwarf} star (a brown dwarf in its ground state)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::086e99255531b02d8bb035b2fc8e9c6f
http://arxiv.org/abs/2008.04501
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