# Black and gray solitons in holographic superfluids at zero temperature

@article{Gao2019BlackAG, title={Black and gray solitons in holographic superfluids at zero temperature}, author={Meng Gao and Yu Jiao and Xin Li and Yu Tian and Hongbao Zhang}, journal={Journal of High Energy Physics}, year={2019}, volume={2019}, pages={1-21} }

A bstractWe construct gray soliton configurations, which move at constant speeds, in holographic superfluids for the first time. Since there should be no dissipation for a moving soliton to exist, we use the simplest holographic superfluid model at zero temperature, considering both the standard and alternative quantizations. For comparison purpose, we first investigate black solitons in the zero temperature holographic superfluids, which are static configurations. Then we focus on the…

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