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Experimental probing of inverted harmonic oscillator quantum dynamics using ultracold atoms. Use when studying unstable quantum dynamics, quantum squeezing, time-reversal coherence, Wigner function tomography, or quantum simulation of inflationary field dynamics.
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| name | inverted-harmonic-oscillator-quantum-probing |
| description | Experimental probing of inverted harmonic oscillator quantum dynamics using ultracold atoms. Use when studying unstable quantum dynamics, quantum squeezing, time-reversal coherence, Wigner function tomography, or quantum simulation of inflationary field dynamics. |
| metadata | {"arxiv_id":"2606.05125","published":"2026-06-03","category":"quantum-physics"} |
When a quantum system passes through an unstable fixed point, the local dynamics reduces to the inverted harmonic oscillator (IHO). This produces exponentially amplified macroscopic quantum states from microscopic zero-point fluctuations.
| Metric | Value |
|---|---|
| Squeezing depth | 10.6(1.3) dB below vacuum |
| Platform | Bose-Einstein condensate on AtomChip |
| Coherence | Confirmed via matter-wave interference |
| Reversibility | Time-reversal of IHO evolution demonstrated |
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