Publications related to Fermionic condensate

Density-wave ordering in a unitary Fermi gas with photon-mediated interactions

Jean-Philippe Brantut, Timo Zwettler, Victor Youri Helson, Kevin Etienne Robert Roux, Hideki Konishi, Elvia Colella

A density wave (DW) is a fundamental type of long-range order in quantum matter tied to self-organization into a crystalline structure. The interplay of DW order with superfluidity can lead to complex scenarios that pose a great challenge to theoretical an ...

NATURE PORTFOLIO2023

Identifying Large Charge operators

Riccardo Rattazzi, Alexander Monin, Gil Badel

The Large Charge sector of Conformal Field Theory (CFT) can generically be described through a semiclassical expansion around a superfluid background. In this work, focussing on U(1) invariant Wilson-Fisher fixed points, we study the spectrum of spinning l ...

SPRINGER2023

Twisted chiral superconductivity in photodoped frustrated Mott insulators

Markus Müller, Jiajun Li

Recent advances in ultrafast pump-probe spectroscopy provide access to hidden phases of correlated matter, including light-induced superconducting states. The theoretical understanding of these nonequilibrium phases remains limited, particularly for correl ...

AMER PHYSICAL SOC2023

Critical properties of the quantum Ashkin-Teller chain with chiral perturbations

Frédéric Mila, Natalia Chepiga

We investigate the nature of the phase transitions in the quantum Ashkin-Teller chain in the presence of chiral perturbations. We locate the Lifshitz line separating a region of direct chiral transitions from the region where the transition is through an i ...

College Pk2023

Conformal and chiral phase transitions in Rydberg chains

Frédéric Mila, Natalia Chepiga, Ivo Aguiar Maceira

Using density matrix renormalization group simulations on open chains, we map out the wave vector in the incommensurate disordered phase of a realistic model of Rydberg chains with 1/r6 interactions, and we locate and characterize the points along the comm ...

AMER PHYSICAL SOC2022

Optomechanical response of a strongly interacting Fermi gas

Jean-Philippe Brantut, Timo Zwettler, Victor Youri Helson, Kevin Etienne Robert Roux, Hideki Konishi

We study a Fermi gas with strong, tunable interactions dispersively coupled to a high-finesse cavity. Upon probing the system along the cavity axis, we observe a strong optomechanical Kerr nonlinearity originating from the density response of the gas to th ...

AMER PHYSICAL SOC2022

Arrested phase separation in chiral fluids of colloidal spinners

Ignacio Pagonabarraga Mora

We investigate phase separation in a chiral fluid, made of spinning ferromagnetic colloids that interact both via hydrodynamic and dipolar forces and collectively organize into separated circulating clusters. We show that, at high spinning frequency, hydro ...

AMER PHYSICAL SOC2021

Observation of a singular Weyl point surrounded by charged nodal walls in PtGa

Oleg Yazyev, Jan Hugo Dil, Quansheng Wu, Shengnan Zhang

Constrained by the Nielsen-Ninomiya no-go theorem, in all so-far experimentally determined Weyl semimetals (WSMs) the Weyl points (WPs) always appear in pairs in the momentum space with no exception. As a consequence, Fermi arcs occur on surfaces which con ...

NATURE RESEARCH2021

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Fermionic condensate

Density-wave ordering in a unitary Fermi gas with photon-mediated interactions

Identifying Large Charge operators

Twisted chiral superconductivity in photodoped frustrated Mott insulators

Critical properties of the quantum Ashkin-Teller chain with chiral perturbations

Semiclassical methods in conformal field theories scrutinized by the epsilon-expansion

Conformal and chiral phase transitions in Rydberg chains

Optomechanical response of a strongly interacting Fermi gas

Arrested phase separation in chiral fluids of colloidal spinners

Directional detection of light dark matter from three-phonon events in superfluid He-4

Observation of a singular Weyl point surrounded by charged nodal walls in PtGa

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Optomechanical response of a strongly interacting Fermi gas

Identifying Large Charge operators

Conformal and chiral phase transitions in Rydberg chains

Critical properties of the quantum Ashkin-Teller chain with chiral perturbations

Semiclassical methods in conformal field theories scrutinized by the epsilon-expansion

Arrested phase separation in chiral fluids of colloidal spinners

Directional detection of light dark matter from three-phonon events in superfluid He-4

Observation of a singular Weyl point surrounded by charged nodal walls in PtGa