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Articles by Arinjoy De
String-breaking dynamics in a quantum simulator
4 hours ago Everyday, Laura Tigeleiro of Staten Island, New York, would open TikTok to sea of hatred. "Everyone was making fun of my eye," she says. Tigeleiro has multiple sclerosis, an autoimmune disease that's made one of her piercing blue eyes droop sideways. "I just wanted to share healthy recipes, and …
String-breaking dynamics in a quantum simulator
Abstract In quantum field theory, spontaneous particle formation can occur when the potential energy between two elementary particles increases with their separation, as if they were confined by a string. When the separation exceeds a critical value, new particle pairs can form and the string breaks. Simulating this process ab initio requires solving quantum many-body dynamics of the strong force, a task for which quantum simulators may outperform classical computational methods.
Non-equilibrium critical scaling and universality in a quantum simulator - Nature Communications
Abstract Universality and scaling laws are hallmarks of equilibrium phase transitions and critical phenomena. However, extending these concepts to non-equilibrium systems is an outstanding challenge. Despite recent progress in the study of dynamical phases, the universality classes and scaling laws for non-equilibrium phenomena are far less understood than those in equilibrium.
Observation of a finite-energy phase transition in a one-dimensional quantum simulator - Nature Physics
Abstract Equilibrium phase transitions in many-body systems have been predicted and observed in two and three spatial dimensions but have long been thought not to exist in one-dimensional systems. It was suggested that a phase transition in one dimension can occur in the presence of long-range interactions. However, an experimental realization has so far not been achieved due to the requirement to both realize interactions over sufficiently long distances and to prepare equilibrium states.
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