# Towards the cold atom analog false vacuum

@article{Braden2017TowardsTC, title={Towards the cold atom analog false vacuum}, author={Jonathan Braden and Matthew Camp Johnson and Hiranya V. Peiris and Silke E. Ch. Weinfurtner}, journal={Journal of High Energy Physics}, year={2017}, volume={2018}, pages={1-39} }

A bstractAnalog condensed matter systems present an exciting opportunity to simulate early Universe models in table-top experiments. We consider a recent proposal for an analog condensed matter experiment to simulate the relativistic quantum decay of the false vacuum. In the proposed experiment, two ultra-cold condensates are coupled via a time-varying radio-frequency field. The relative phase of the two condensates in this system is approximately described by a relativistic scalar field with a…

## 19 Citations

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Using lattice simulations, a new picture of vacuum decay is introduced which, in contrast to existing semiclassical techniques, provides a real-time description and does not rely on classically forbidden tunneling paths.

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## References

SHOWING 1-10 OF 40 REFERENCES

### The universe on a table top: engineering quantum decay of a relativistic scalar field from a metastable vacuum

- Physics
- 2016

The quantum decay of a relativistic scalar field from a metastable state (‘false vacuum decay’) is a fundamental idea in quantum field theory and cosmology. This occurs via local formation of bubbles…

### Fate of the false vacuum: Towards realization with ultra-cold atoms

- Physics
- 2014

Quantum decay of a relativistic scalar field from a false vacuum is a fundamental idea in quantum field theory. It is relevant to models of the early Universe, where the nucleation of bubbles gives…

### Simulating the universe(s): from cosmic bubble collisions to cosmological observables with numerical relativity

- Physics
- 2014

The theory of eternal inflation in an inflaton potential with multiple vacua predicts that our universe is one of many bubble universes nucleating and growing inside an ever-expanding false vacuum.…

### Analog model of a Friedmann-Robertson-Walker universe in Bose-Einstein condensates: Application of the classical field method

- Physics
- 2007

Analog models of gravity have been motivated by the possibility of investigating phenomena not readily accessible in their cosmological counterparts. In this paper, we investigate the analog of…

### On quantum tunneling in real time

- Physics
- 2014

A detailed real time description of quantum tunneling in the semiclassical limit is given, using complex classical trajectories. This picture connects naturally with the ideas of post-selection and…

### When Worlds Collide

- Physics
- 2007

We analyze the cosmological signatures visible to an observer in a Coleman–de Luccia bubble when another such bubble collides with it. We use a gluing procedure to generalize the results of…

### Cosmological particle production in emergent rainbow spacetimes

- Physics
- 2009

We investigate cosmological particle production in spacetimes where Lorentz invariance emerges in the infrared limit, but is explicitly broken in the ultraviolet regime. Thus these models are similar…

### The Fate of the False Vacuum. 1. Semiclassical Theory

- Physics
- 1977

It is possible for a classical field theory to have two homogeneous stable equilibrium states with different energy densities. In the quantum version of the theory, the state of higher energy density…

### Oscillons after inflation.

- PhysicsPhysical review letters
- 2012

It is shown that in a class of well-motivated single-field models, inflation is followed by self resonance, leading to copious oscillon generation and a lengthy period of oscillon domination, possibly leading to novel gravitational effects in the early Universe.