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One of the subtleties that has made superstring perturbation theory intricate at high string loop order is the fact that as shown by Donagi and Witten, supermoduli space is not holomorphically projected, nor is it holomorphically split. In…

High Energy Physics - Theory · Physics 2024-10-11 Dimitri P. Skliros

A central problem in the deployment of quantum technologies is the realization of robust architectures for quantum interconnects. We propose to engineer interconnects in semiconductors and insulators by patterning spin qubits at…

Spin angular momentum and mechanical rotation both contribute to the total angular momentum of rigid bodies, leading to spin-rotational coupling via the Einstein-de Haas and Barnett effects. Here we show that the revolutions of symmetric…

Quantum Physics · Physics 2021-10-27 Yue Ma , M. S. Kim , Benjamin A. Stickler

Interfaces between materials with differently ordered phases present unique opportunities for exotic physical properties, especially the interplay between ferromagnetism and superconductivity in the ferromagnet/superconductor…

Superconductivity · Physics 2021-11-30 Yunyan Yao , Ranran Cai , Tao Yu , Yang Ma , Wenyu Xing , Yuan Ji , Xin-Cheng Xie , See-Hun Yang , Wei Han

We study the role of diamagnetic effects on the transport properties of metallic magnetic multilayers to elucidate whether they can explain the Giant Magnetoresistance (GMR) effect observed in those systems. Realistic Fermi surface…

Materials Science · Physics 2007-05-23 W. Tavera , G. G. Cabrera

Complementarity plays a pivotal role in understanding a diverse range of quantum phenomena. Here, we show how the tradeoff between quantities of a complete complementarity relation is modified in an arbitrary spacetime for a particle with…

Quantum Physics · Physics 2024-06-07 Marcos L. W. Basso , Ismael L. Paiva , Pedro R. Dieguez

Macroscopic quantum phenomena such as lasers, Bose-Einstein condensates, superfluids, and superconductors are of great importance in foundations and applications of quantum mechanics. In particular, quantum superposition of a large number…

Quantum Physics · Physics 2014-10-27 Liang Jin , Sen Yang , Jörg Wrachtrup , Ren-Bao Liu

The Stern-Gerlach-Experiment (SGE) of 1922 is a seminal benchmark experiment of quantum physics providing evidence for several fundamental properties of quantum systems. Based on today's knowledge we illustrate the different benchmark…

History and Philosophy of Physics · Physics 2016-12-12 Horst Schmidt-Böcking , Lothar Schmidt , Hans Jürgen Lüdde , Wolfgang Trageser , Tilman Sauer

We propose an explanation for the electronic nematic state observed recently in parent iron-based superconductors [T.-M. Chuang et al., Science 327, 181 (2010)]. We argue that the quasi-one-dimensional nanostructure identified in the…

Superconductivity · Physics 2015-05-18 J. Knolle , I. Eremin , A. Akbari , R. Moessner

Gravity simulators are laboratory systems where small excitations like sound or surface waves behave as fields propagating on a curved spacetime geometry. The analogy between gravity and fluids requires vanishing viscosity, a feature…

General Relativity and Quantum Cosmology · Physics 2024-03-26 Patrik Švančara , Pietro Smaniotto , Leonardo Solidoro , James F. MacDonald , Sam Patrick , Ruth Gregory , Carlo F. Barenghi , Silke Weinfurtner

Superrotations arise from singular vector fields on the celestial sphere in asymptotically flat space, and their finite integrated versions have been argued by Strominger and Zhiboedov to insert cosmic strings into the spacetime. In this…

High Energy Physics - Theory · Physics 2020-04-08 Eugene Adjei , William Donnelly , Victor Py , Antony J. Speranza

Rigid (Uniform) rotation is usually assumed when investigating the properties of mature neutron stars (NSs). Although it simplifies their description, it is an assumption because we cannot observe the NS's innermost parts. Here, we analyze…

High Energy Astrophysical Phenomena · Physics 2024-10-18 Jonas P. Pereira , Tulio Ottoni , Jaziel G. Coelho , Jorge A. Rueda , Rafael C. R. de Lima

This article surveys the noncommutative-geometric (NCG) approach to fundamental physics, in which geometry is encoded spectrally by a generalized Dirac operator and where dynamics arise from the spectral action. I review historically how…

High Energy Physics - Theory · Physics 2025-11-11 Ali H. Chamseddine

Spiral perturbations in a gravitationally unstable accretion disk regulate disk evolution through angular-momentum transport and heating and provide an observational signature of gravitational instability (GI). We use global 3D simulations…

Earth and Planetary Astrophysics · Physics 2025-04-29 Wenrui Xu , Yan-Fei Jiang , Matthew W. Kunz , James M. Stone

Solar system observations have traditionally allowed for very stringent tests of Einstein's theory of general relativity. We here revisit the possibility of using these observations to constrain gravitational parity violation as…

General Relativity and Quantum Cosmology · Physics 2019-05-22 Yuya Nakamura , Daiki Kikuchi , Kei Yamada , Hideki Asada , Nicolas Yunes

The large N infinite range spin glass is considered, in particular the number of spin components k needed to form the ground state and the sample-to-sample fluctuations in the Lagrange multiplier field on each site. The physical…

Disordered Systems and Neural Networks · Physics 2015-06-25 M. B. Hastings

A broad effort is underway to understand and harness the interaction between superconductors and spin-active color centers with an eye on the realization of hybrid quantum devices and novel imaging modalities of superconducting materials.…

The partition function on the three-sphere of N=3 Chern-Simons-matter theories can be formulated in terms of an ideal Fermi gas. In this paper we show that, in theories with N=2 supersymmetry, the partition function corresponds to a gas of…

High Energy Physics - Theory · Physics 2015-06-05 Marcos Marino , Pavel Putrov

The magnetic correlations at the superconductor/ferromagnet (S/F) interfaces play a crucial role in realizing dissipation-less spin-based logic and memory technologies, such as triplet-supercurrent spin-valves and "{\pi}" Josephson…

The principal new point is that ultra-high spin of the elementary particles makes Einstein's gravity so strong, that its influence to metric is shifted from Planck to the Compton scale! Compatibility of the Kerr-Newman (KN) gravity with…

General Physics · Physics 2017-01-05 Alexander Burinskii
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