Linear cross-entropy certification of quantum computational advantage in Gaussian boson sampling
Validation of quantum advantage claims in the context of Gaussian boson sampling (GBS)
currently relies on providing evidence that the experimental samples genuinely follow their …
currently relies on providing evidence that the experimental samples genuinely follow their …
[HTML][HTML] Hybrid boson sampling
V Kocharovsky - Entropy, 2024 - mdpi.com
We propose boson sampling from a system of coupled photons and Bose–Einstein
condensed atoms placed inside a multi-mode cavity as a simulation process testing the …
condensed atoms placed inside a multi-mode cavity as a simulation process testing the …
Boson sampling with self-generation of squeezing via interaction of photons and atoms
SV Tarasov, VV Kocharovsky - arxiv preprint arxiv:2409.09027, 2024 - arxiv.org
We suggest a novel scheme for generating multimode squeezed states for the boson
sampling implementation. The idea is to replace a commonly used linear interferometer by a …
sampling implementation. The idea is to replace a commonly used linear interferometer by a …
Towards the simplest model of quantum supremacy: Atomic boson sampling in a box trap
VV Kocharovsky, VV Kocharovsky, WD Shannon… - Entropy, 2023 - mdpi.com
We describe boson sampling of interacting atoms from the noncondensed fraction of Bose–
Einstein-condensed (BEC) gas confined in a box trap as a new platform for studying …
Einstein-condensed (BEC) gas confined in a box trap as a new platform for studying …
Universal nature of quantum supremacy
V Kocharovsky - Journal of Physics: Conference Series, 2024 - iopscience.iop.org
We disclose the universal nature of computational# P-hardness and quantum supremacy of
quantum many-body systems. We do so by means of the new powerful technique (the …
quantum many-body systems. We do so by means of the new powerful technique (the …
Two-mode squeezing and entanglement in atomic boson sampling
W Shannon, V Kocharovsky - Journal of Physics: Conference …, 2024 - iopscience.iop.org
Recently, atomic boson sampling of excited atom occupations in an equilibrium interacting
gas with a Bose-Einstein condensate (BEC) has been suggested as a process that could …
gas with a Bose-Einstein condensate (BEC) has been suggested as a process that could …
Multi-qubit BEC trap for atomic boson sampling
W Shannon, V Kocharovsky - Journal of Physics: Conference …, 2023 - iopscience.iop.org
We suggest a new platform for examination of quantum statistical phenomena in many-body
interacting systems–a multi-qubit Bose-Einstein-condensate (BEC) trap. Ideally, it is suitable …
interacting systems–a multi-qubit Bose-Einstein-condensate (BEC) trap. Ideally, it is suitable …
[PDF][PDF] Squeezing in Bose-Einstein condensate of weakly interacting atoms: non-Gaussian fluctuations of the order parameter and# p-complexity of the joint particle …
S Tarasov, V Kocharovsky - sigmaphi.polito.it
The talk is devoted to new results on the statistics of Bose-Einstein condensate (BEC) in a
weakly interacting gas confined in a mesoscopic trap in an equilibrium state. Detailed …
weakly interacting gas confined in a mesoscopic trap in an equilibrium state. Detailed …