Tag

False Vacuum

All articles tagged with #false vacuum

New Study Proposes 'Cosmic Lockdown' to Prevent Universe from Collapsing into False Vacuum
science3 days ago

New Study Proposes 'Cosmic Lockdown' to Prevent Universe from Collapsing into False Vacuum

A new study suggests that quantum decoherence during the early universe’s rapid expansion may have 'locked' fields into their current states, preventing a catastrophic transition to a lower-energy 'true vacuum.' While this 'cosmic lockdown' mechanism offers a potential explanation for why the universe remains stable despite potentially existing in a metastable state, researchers caution that the model is simplified and does not yet confirm the long-term safety of the Higgs field.

Tabletop Quantum Test Demonstrates False Vacuum Decay Scenarios
science5 months ago

Tabletop Quantum Test Demonstrates False Vacuum Decay Scenarios

Physicists in China simulated false vacuum decay in a tabletop setup using a ring of Rydberg atoms and site-selective lasers to engineer a landscape with false and true vacuum states; stronger symmetry-breaking lasers drive faster decay and a bubble of true vacuum forms, marking a lab-based stepping stone toward studying quantum tunneling processes that could, in theory, trigger a universe-scale phase transition.

"Unveiling the Mystery of False Vacuum Decay: New Research Insights"
physics2 years ago

"Unveiling the Mystery of False Vacuum Decay: New Research Insights"

An international research team, with support from Newcastle University, has produced the first experimental evidence of vacuum decay, a phenomenon known as "false vacuum decay," in a carefully controlled atomic system. The experiment, conducted in Italy, observed the formation of bubbles through false vacuum decay in a quantum system, supported by theoretical simulations and numerical models. This groundbreaking research sheds light on the early universe and ferromagnetic quantum phase transitions, with the ultimate goal of exploring vacuum decay at absolute zero temperature driven purely by quantum vacuum fluctuations.