Resolving boosted jets with XCone by Thaler, Jesse, Wilkason, Thomas F.

“…When using standard jet algorithms to reconstruct the decays of hadronic resonances like top quarks and Higgs bosons, one typically needs separate analysis strategies to handle the resolved regime of well-separated jets and the boosted regime of fat jets with substructure. …”
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Stirring Strongly Coupled Plasma by Fadafan, Kazem Bitaghsir, Liu, Hong, Rajagopal, Krishna, Wiedemann, Urs Achim

“…There is a continuous crossover from the drag-dominated regime (ω≲π T(1−v [superscript 2])[superscript 3/4], meaning ω≲π T and L small enough) to the radiation-dominated regime (ω≳π T(1−v [superscript 2])[superscript 3/4]). …”
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The Higgs transverse momentum distribution at NNLL and its theoretical errors by Vaidya, Varun, Rothstein, Ira Z., Neill, Duff Austin

“…By utilizing the rapidity renormalization group (RRG) we are able to smoothly match between the resummed, small p [subscript ⊥] regime and the fixed order regime. We give a detailed discussion of the scale dependence of the result including an analysis of the rapidity scale dependence. …”
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Dilute and dense axion stars by Visinelli, Luca, Baum, Sebastian, Redondo, Javier, Freese, Katherine, Wilczek, Frank

“…We employ a multi-harmonic expansion to solve the relativistic equation for the axion field in the star, and demonstrate that higher modes cannot be neglected in the dense regime. We interpret the solutions in the dense regime as pseudo-breathers, and show that the life-time of such configurations is much smaller than any cosmological time scale.…”
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Entanglement Tsunami: Universal Scaling in Holographic Thermalization by Liu, Hong, Suh, Sunok Josephine

“…In the limit of large regions of entanglement, the evolution of entanglement entropy is controlled by the geometry around and inside the event horizon of the black hole, resulting in regimes of pre-local-equilibration quadratic growth (in time), post-local-equilibration linear growth, a late-time regime in which the evolution does not carry memory of the size and shape of the entangled region, and a saturation regime with critical behavior resembling those in continuous phase transitions. …”
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Quantum maximin surfaces by Akers, Chris, Engelhardt, Netta, Penington, Geoff, Usatyuk, Mykhaylo

“…Our results hold in the regime where backreaction of bulk quantum fields can be treated perturbatively in G ħ, but we emphasize that they are valid even when gradients of the bulk entropy are of the same order as variations in the area, a regime recently investigated in new models of black hole evaporation in AdS/CFT. …”
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On the S-matrix of Ising field theory in two dimensions by Gabai, Barak, Yin, Xi

“…Our strategy is that of collider physics: we employ Hamiltonian truncation method (TFFSA) to extract the scattering phase of the lightest particles in the elastic regime, and combine it with S-matrix bootstrap methods based on unitarity and analyticity assumptions to determine the analytic continuation of the 2 → 2 S-matrix element to the complex s-plane. …”
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Quantum maximin surfaces by Akers, Chris, Engelhardt, Netta, Penington, Geoff, Usatyuk, Mykhaylo

“…Our results hold in the regime where backreaction of bulk quantum fields can be treated perturbatively in GNħ, but we emphasize that they are valid even when gradients of the bulk entropy are of the same order as variations in the area, a regime recently investigated in new models of black hole evaporation in AdS/CFT.…”
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Effective field theory of dissipative fluids by Crossley, Michael J., Glorioso, Paolo, Liu, Hong

“…It also leads to an emergent supersymmetry in the classical statistical regime, and a higher derivative deformation of supersymmetry in the full quantum regime.…”
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Discrete Time-Crystalline Order Enabled by Quantum Many-Body Scars: Entanglement Steering via Periodic Driving by Maskara, N, Michailidis, AA, Ho, WW, Bluvstein, D, Choi, S, Lukin, MD, Serbyn, M

“…Recently, quench experiments in Rydberg atom arrays (Bluvstein et. al., arXiv:2012.12276) demonstrated that coherent revivals associated with quantum many-body scars can be stabilized by periodic driving, generating stable subharmonic responses over a wide parameter regime. We analyze a simple, related model where these phenomena originate from spatiotemporal ordering in an effective Floquet unitary, corresponding to discrete time-crystalline (DTC) behavior in a prethermal regime. …”
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Entanglement Tsunami: Universal Scaling in Holographic Thermalization by Liu, Hong, Suh, Sunok Josephine

“…In the limit of large regions of entanglement, the evolution of entanglement entropy is controlled by the geometry around and inside the event horizon of the black hole, resulting in regimes of pre-local-equilibration quadratic growth (in time), post-local-equilibration linear growth, a late-time regime in which the evolution does not carry memory of the size and shape of the entangled region, and a saturation regime with critical behavior resembling those in continuous phase transitions. …”
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Signals of a light dark force in the galactic center by Liu, Jia, Weiner, Neal, Xue, Wei

“…Recent evidence for an excess of gamma rays in the GeV energy range about the Galactic Center have refocused attention on models of dark matter in the low mass regime (m[subscript χ] ≲ m[subscript Z]/2). Because this is an experimentally well-trod energy range, it can be a challenge to develop simple models that explain this excess, consistent with other experimental constraints. …”
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Entanglement growth during thermalization in holographic systems by Liu, Hong, Suh, Sunok Josephine

“…In the large distance limit, the evolution of an extremal surface, and thus the corresponding boundary observable, is controlled by the geometry around and inside the event horizon of the black hole, allowing us to identify regimes of pre-local-equilibration quadratic growth, post-local-equilibration linear growth, a memory loss regime, and a saturation regime with behavior resembling those in phase transitions. …”
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XCone: N-jettiness as an exclusive cone jet algorithm by Thaler, Jesse, Tackmann, Frank J., Vermilion, Christopher K., Wilkason, Thomas F., Stewart, Iain

“…A key feature of XCone is that it smoothly transitions between the resolved regime where the N signal jets of interest are well separated and the boosted regime where they overlap. …”
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Hydrodynamics and critical slowing down by Stephanov, M., Yin, Y., Yin, Yi

“…We introduce an effective theory which extends hydrodynamics into a regime where the critical slowing down would otherwise make hydrodynamics inapplicable.…”
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Apparently superluminal superfluids by Kourkoulou, Ioanna, Landry, Michael J., Nicolis, Alberto, Parmentier, Klaas

“…We prove that, within the regime of validity of perturbation theory and of the superfluid effective theory, there are consistent and regular vortex solutions where the superfluid’s velocity field as traditionally defined smoothly interpolates between zero and arbitrarily large superluminal values. …”
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Chiral anomalous dispersion by Sen, Srimoyee, Sadofyev, Andrey

“…We analyze features of the corresponding spectrum in a collision-less regime above a flat background. In the long wave-length limit, circularly polarized metric perturbations travel with a helicity dependent group velocity that can turn negative giving rise to a new type of an anomalous dispersion. …”
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Complexified boost invariance and holographic heavy ion collisions by Gubser, Steven S., van der Schee, Wilke

“…When including perturbations the agreement becomes even better, both in the hydrodynamic and the far-from-equilibrium regime. One of the main advantages is an analytic formulation of the stress-energy tensor of the longitudinal dynamics of holographic heavy ion collisions.…”
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A more attractive scheme for radion stabilization and supercooled phase transition by Fujikura, Kohei, Nakai, Yuichiro, Yamada, Masaki

“…We investigate the phase transition between the Randall-Sundrum (compactified) spacetime and a de-compactified spacetime and determine the parameter regime in which eternal (old) inflation is avoided and the phase transition can be completed. …”
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Free energy from replica wormholes by Engelhardt, Netta, Fischetti, Sebastian, Maloney, Alexander

“…We argue that both JT gravity and a simplified version of CGHS admit a regime where the contribution of connected replica wormholes to the free energy is larger than that of disconnected topologies. …”
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