Zobrazeno 1 - 10
of 7 321
pro vyhledávání: '"Vinas A"'
We compute the particle creation rate in the context of quantum fields in curved spacetimes, by evaluating the imaginary part of the effective action up to second order in the curvatures. For arbitrary metrics in dimensions $D\geq4$, we express the v
Externí odkaz:
http://arxiv.org/abs/2412.03340
Autor:
Kobyakov, Dmitry, Viñas, Xavier
Using the Skyrme model Sk$\chi$450 constrained by the chiral effective field theory and the ground-state energies of doubly-magic nuclei, we explore the macroscopic static energy spectrum of dense matter. Structure of the matter is idealized as 1-, 2
Externí odkaz:
http://arxiv.org/abs/2411.17303
Embedding materials in optical cavities has emerged as an intriguing perspective for controlling quantum materials, but a key challenge lies in measuring properties of the embedded matter. Here, we propose a framework for probing strongly correlated
Externí odkaz:
http://arxiv.org/abs/2410.21515
Autor:
Franchino-Viñas, S. A., García-Pérez, C., Mazzitelli, F. D., Pla, S., Vitagliano, V., Wainstein-Haimovichi, U.
We study the strong-field limit of a theory involving a quantum scalar field coupled to a vector background, which can be either an electromagnetic field or a non-gauge field coupled through the first derivative term. Our approach consists in obtaini
Externí odkaz:
http://arxiv.org/abs/2410.11364
Autor:
Ning, Honglie, Luo, Tianchuang, Ilyas, Batyr, Boström, Emil Viñas, Park, Jaena, Kim, Junghyun, Park, Je-Geun, Juraschek, Dominik M., Rubio, Angel, Gedik, Nuh
Chirality, the breaking of improper rotational symmetry, is a fundamental concept spanning diverse scientific domains. In condensed matter physics, chiral phonons, originating from circular atomic motions that carry angular momentum, have sparked int
Externí odkaz:
http://arxiv.org/abs/2410.10693
Selective excitation of vibrational modes using strong laser pulses has emerged as a powerful material engineering paradigm. However, to realize deterministic control over material properties for device applications, it is desirable to have an analog
Externí odkaz:
http://arxiv.org/abs/2409.19063
Autor:
Luo, Tianchuang, Ning, Honglie, Ilyas, Batyr, von Hoegen, Alexander, Boström, Emil Viñas, Park, Jaena, Kim, Junghyun, Park, Je-Geun, Juraschek, Dominik M., Rubio, Angel, Gedik, Nuh
Coherent manipulation of magnetism through the lattice provides unprecedented opportunities for controlling spintronic functionalities on the ultrafast timescale. Such nonthermal control conventionally involves nonlinear excitation of Raman-active ph
Externí odkaz:
http://arxiv.org/abs/2409.14669
Topological qubits based on non-abelian Majorana bound states (MBSs) are protected by parity which is challenged by quasiparticle poisoning (QPP). In this work, we show how QPP affects transport through a pair of coupled MBSs weakly connected to two
Externí odkaz:
http://arxiv.org/abs/2409.05594
The even-odd staggering in fission fragments yield distributions is an important observable to address the role of intrinsic excitations in the fission process. However, its computation as a function of the fragment split is an ill-posed problem that
Externí odkaz:
http://arxiv.org/abs/2408.07173
Autor:
Wang, Yan, Paz, Alejandro Pérez, Boström, Emil Viñas, Zhang, Xiaoxi, Li, Juan, Berger, Reinhard, Liu, Kun, Ma, Ji, Huang, Li, Du, Shixuan, Gao, Hong-jun, Müllen, Klaus, Narita, Akimitsu, Feng, Xinliang, Rubio, Angel, Palma, CA
Nanographene-based magnetism at interfaces offers an avenue to designer quantum materials towards novel phases of matter and atomic-scale applications. Key to spintronics applications at the nanoscale is bistable spin-crossover which however remains
Externí odkaz:
http://arxiv.org/abs/2407.20996