Zobrazeno 1 - 10
of 1 239
pro vyhledávání: '"A. Sfetsos"'
Publikováno v:
Advances in Science and Research, Vol 19, Pp 145-158 (2023)
Climate change is set to affect extreme climate and meteorological events. The combination of interacting physical processes (climate drivers) across various spatial and temporal scales resulting to an extreme event is referred to as compound event.
Externí odkaz:
https://doaj.org/article/1e467ae0db294c969dd010b5cc97d685
Publikováno v:
Earth System Dynamics, Vol 13, Pp 1491-1504 (2022)
This paper aims to study wet–cold compound events (WCCEs) in Greece for the wet and cold season November–April since these events may affect directly human activities for short or longer periods, as no similar research has been conducted for the
Externí odkaz:
https://doaj.org/article/5ed3695aa2b04e37990f7e453dd12fcd
The non-Abelian ferromagnet recently introduced by the authors, consisting of atoms in the fundamental representation of $SU(N)$, is studied in the limit where $N$ becomes large and scales as the square root of the number of atoms $n$. This model exh
Externí odkaz:
http://arxiv.org/abs/2408.08357
Publikováno v:
JHEP 01 (2024) 084
We provide the first supersymmetric embedding of an integrable $\lambda$-deformation to type-II supergravity. Specifically, that of the near horizon of the NS1-NS5 brane intersection, geometrically corresponding to $AdS_3 \times S^3 \times T^4$. We s
Externí odkaz:
http://arxiv.org/abs/2310.17700
We study the multiplicity of irreducible representations in the decomposition of $n$ fundamentals of $SU(N)$ weighted by a power of their dimension in the large $n$ and large $N$ double scaling limit. A nontrivial scaling is obtained by keeping $n/N^
Externí odkaz:
http://arxiv.org/abs/2310.16887
Publikováno v:
Nucl. Phys. B 996 (2023) 116353
We study the thermodynamics of a non-abelian ferromagnet consisting of "atoms" each carrying a fundamental representation of $SU(N)$, coupled with long-range two-body quadratic interactions. We uncover a rich structure of phase transitions from non-m
Externí odkaz:
http://arxiv.org/abs/2306.01051
Publikováno v:
Nucl. Phys. B, 994 (2023), 116314
We compute the multiplicity of the irreducible representations in the decomposition of the tensor product of an arbitrary number $n$ of fundamental representations of $SU(N)$, and we identify a duality in the representation content of this decomposit
Externí odkaz:
http://arxiv.org/abs/2305.19345
Publikováno v:
JHEP 04 (2023) 038
We initiate the construction of integrable $\lambda$-deformed WZW models based on non-semisimple groups. We focus on the four-dimensional case whose underlying symmetries are based on the non-semisimple group $E_2^c$. The corresponding gravitational
Externí odkaz:
http://arxiv.org/abs/2212.00037
Particle production in integrable field theories may exist depending on the vacuum around which excitations are defined. To tackle this and analogous issues with conventional field theoretical tools, we consider the integrable $\lambda$-deformed mode
Externí odkaz:
http://arxiv.org/abs/2208.01072
Publikováno v:
Nucl. Phys. B991 (2023), 116199
The simplest example of the $\lambda$-deformation connects the SU(2) Wess-Zumino-Witten model with the non-Abelian T-dual (NATD) of the SU(2) principal chiral model. We analyze spinning strings with one spin propagating through the $\lambda$-deformat
Externí odkaz:
http://arxiv.org/abs/2206.13551