7 papers
Universal scaling framework for parameterized quantum evolutions at criticality
Jan T. Schneider, Cristian Tabares, Alejandro González-Tudela +1
Variational ansätze are a cornerstone of quantum many-body physics, providing compact approximations to complex ground states using finite resources. Recent quantum-technology adv…
Topological, multi-mode amplification induced by non-reciprocal, long-range dissipative couplings
Carlos Vega, Alberto Muñoz de las Heras, Diego Porras +1
Non-reciprocal couplings or drivings are known to induce steady-state, directional, amplification in driven-dissipative bosonic lattices. This amplification phenomenon has been rec…
Programming optical-lattice Fermi-Hubbard quantum simulators
Cristian Tabares, Christian Kokail, Peter Zoller +2
Fermionic atoms in optical lattices provide a native implementation of Fermi-Hubbard (FH) models that can be used as analog quantum simulators of many-body fermionic systems. Recen…
Topological Josephson parametric amplifier array: A proposal for directional, broadband, and low-noise amplification
Tomás Ramos, Ãlvaro Gómez-León, Juan José GarcÃa-Ripoll +2
Low-noise microwave amplifiers are crucial for detecting weak signals in fields such as quantum technology and radio astronomy. However, designing an ideal amplifier is challenging…
Chiral quantum optics: recent developments, and future directions
D. G. Suárez-Forero, M. Jalali Mehrabad, C. Vega +2
Chiral quantum optics is a growing field of research where light-matter interactions become asymmetrically dependent on momentum and spin, offering novel control over photonic and…
Passive photonic CZ gate with two-level emitters in chiral multi-mode waveguide QED
Tomás Levy-Yeyati, Carlos Vega, Tomás Ramos +1
Engineering deterministic photonic gates with simple resources is one of the long-standing challenges in photonic quantum computing. Here, we design a passive conditional gate betw…