Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Basteiro, Pablo"'
Autor:
Dey, Santanu, Chen, Anffany, Basteiro, Pablo, Fritzsche, Alexander, Greiter, Martin, Kaminski, Matthias, Lenggenhager, Patrick M., Meyer, Rene, Sorbello, Riccardo, Stegmaier, Alexander, Thomale, Ronny, Erdmenger, Johanna, Boettcher, Igor
Publikováno v:
Phys. Rev. Lett. 133, 061603 (2024)
We demonstrate how table-top settings combining hyperbolic lattices with nonlinear dynamics universally encode aspects of the bulk-boundary-correspondence between gravity in anti-de-Sitter (AdS) space and conformal field theory (CFT). Our concrete an
Externí odkaz:
http://arxiv.org/abs/2404.03062
We consider Majorana lattices with two-site interactions consisting of a general function of the fermion bilinear. The models are exactly solvable in the limit of a large number of on-site fermions. The four-site chain exhibits a quantum phase transi
Externí odkaz:
http://arxiv.org/abs/2401.04764
Publikováno v:
J. High Energ. Phys. 2023, 104 (2023)
We propose the information-theoretic quantity of geometric quantum discord (GQD) as an indicator of the factorization properties of a given quantum system. In particular, we show how non-vanishing discord implies that the corresponding partition func
Externí odkaz:
http://arxiv.org/abs/2305.04952
In view of making progress towards establishing a holographic duality for theories defined on a discrete tiling of the hyperbolic plane, we consider a recently proposed boundary spin chain Hamiltonian with aperiodic couplings that are chosen such as
Externí odkaz:
http://arxiv.org/abs/2212.11292
Autor:
Basteiro, Pablo, Di Giulio, Giuseppe, Erdmenger, Johanna, Karl, Jonathan, Meyer, René, Xian, Zhuo-Yu
Publikováno v:
SciPost Phys. 13, 103 (2022)
We propose a new example of discrete holography that provides a new step towards establishing the AdS/CFT duality for discrete spaces. A class of boundary Hamiltonians is obtained in a natural way from regular tilings of the hyperbolic Poincar\'e dis
Externí odkaz:
http://arxiv.org/abs/2205.05693
Autor:
Basteiro, Pablo, Dusel, Felix, Erdmenger, Johanna, Herdt, Dietmar, Hinrichsen, Haye, Meyer, René, Schrauth, Manuel
We establish how the Breitenlohner-Freedman (BF) bound is realized on tilings of two-dimensional Euclidean Anti-de Sitter space. For the continuum, the BF bound states that on Anti-de Sitter spaces, fluctuation modes remain stable for small negative
Externí odkaz:
http://arxiv.org/abs/2205.05081
We propose a covariant definition of the fractional Klein-Gordon equation with long-range interactions independent of the metric of the underlying manifold. As an example we consider the fractional Klein-Gordon equation on AdS$_{2+1}$, computing the
Externí odkaz:
http://arxiv.org/abs/2201.10870
Autor:
Basteiro, Pablo, Erdmenger, Johanna, Fries, Pascal, Goth, Florian, Matthaiakakis, Ioannis, Meyer, René
As a new step towards defining complexity for quantum field theories, we map Nielsen operator complexity for $SU(N)$ gates to two-dimensional hydrodynamics. We develop a tractable large $N$ limit that leads to regular geometries on the manifold of un
Externí odkaz:
http://arxiv.org/abs/2109.01152
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