Zobrazeno 1 - 10
of 185
pro vyhledávání: '"Wiese, Kay Joerg"'
Autor:
Semeikin, Mikhail N., Wiese, Kay Joerg
We study the large-order behavior of the functional renormalization group (FRG). For a model in dimension zero, we establish Borel-summability for a large class of microscopic couplings. Writing the derivatives of FRG as contour integrals, we express
Externí odkaz:
http://arxiv.org/abs/2410.02361
Publikováno v:
Phys. Rev. Lett. 133 (2024) 077101
The two-dimensional $Q$-state Potts model with real couplings has a first-order transition for $Q>4$. We study a loop-model realization in which $Q$ is a continuous parameter. This model allows for the collision of a critical and a tricritical fixed
Externí odkaz:
http://arxiv.org/abs/2402.10732
Autor:
Wiese, Kay Joerg
Publikováno v:
Phys. Rev. Lett. 133 (2024) 0671032
Hyperuniformity is an emergent property, whereby the structure factor of the density $n$ scales as $S(q) \sim q^\alpha$, with $\alpha>0$. We show that for the conserved directed percolation (CDP) class, to which the Manna model belongs, there is an e
Externí odkaz:
http://arxiv.org/abs/2401.09123
Publikováno v:
JHEP 05 (2024) 092
We derive the exact actions of the $Q$-state Potts model valid on any graph, first for the spin degrees of freedom, and second for the Fortuin-Kasteleyn clusters. In both cases the field is a traceless $Q$-component scalar field $\Phi^\alpha$. For th
Externí odkaz:
http://arxiv.org/abs/2311.01529
Autor:
Semeikin, Mikhail N., Wiese, Kay Joerg
Publikováno v:
Phys. Rev. B 109 (2024) 104203134203
A $d$-dimensional elastic manifold at depinning is described by a renormalized field theory, based on the Functional Renormalization Group (FRG). Here we analyze this theory to 3-loop order, equivalent to third order in $\epsilon=4-d$, where $d$ is t
Externí odkaz:
http://arxiv.org/abs/2310.12801
Autor:
Nahum, Adam, Wiese, Kay Joerg
Publikováno v:
Phys. Rev. B 108 (2023) 104203
We analyze the renormalization-group (RG) flows of two effective Lagrangians, one for measurement induced transitions of monitored quantum systems and one for entanglement transitions in random tensor networks. These Lagrangians, previously proposed
Externí odkaz:
http://arxiv.org/abs/2303.07848
Autor:
Shapira, Assaf, Wiese, Kay Joerg
There is a plethora of 1-dimensional advected systems with an absorbing boundary: the Toom model of anchored interfaces, the directed exclusion process where in addition to diffusion particles and holes can jump over their right neighbor, simple diff
Externí odkaz:
http://arxiv.org/abs/2302.13749
Publikováno v:
SciPost Phys. 14, 135 (2023)
The Ising critical exponents $\eta$, $\nu$ and $\omega$ are determined up to one-per-thousand relative error in the whole range of dimensions $3 \le d < 4$, using numerical conformal-bootstrap techniques. A detailed comparison is made with results by
Externí odkaz:
http://arxiv.org/abs/2210.03051
The experimental measurement of correlation functions and critical exponents in disordered systems is key to testing renormalization group (RG) predictions. We mechanically unzip single DNA hairpins with optical tweezers, an experimental realization
Externí odkaz:
http://arxiv.org/abs/2210.00777
Autor:
Mukerjee, Gauthier, Wiese, Kay Joerg
There are two main universality classes for depinning of elastic interfaces in disordered media: quenched Edwards-Wilkinson (qEW), and quenched Kardar-Parisi-Zhang (qKPZ). The first class is relevant as long as the elastic force between two neighbori
Externí odkaz:
http://arxiv.org/abs/2207.09037