Kasner worldsheets near their null horizons reproduce the tensionless, Carrollian string physics previously found for Rindler worldsheets, with a Bogoliubov-map identification that depends on an arbitrary regularization shift.
Unlocking Novel Quantum States: Virasoro-Bogoliubov Transformations in Two Modes
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This paper explores the Bogoliubov transformation's extension to two-mode squeezed states, building on our previous work with Virasoro-squeezing. We establish the Virasoro-Bogoliubov transformation as a non-linear extension of the traditional Bogoliubov transformation, creating non-linear two-mode squeezed states. This research unveils novel quantum states with the potential for innovative insights in various fields of quantum physics.
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A time-like window into tensionless worldsheets
Kasner worldsheets near their null horizons reproduce the tensionless, Carrollian string physics previously found for Rindler worldsheets, with a Bogoliubov-map identification that depends on an arbitrary regularization shift.