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Author(s): Yinfeng Ma, Cheng Peng, and Xiaoling Cui We investigate droplet formation in three-component ultracold bosons. In particular, we identify the formation of a Borromean droplet, where only the ternary bosons can form a self-bound droplet while any binary subsystems cannot, as the first example of Borromean binding due to a collective many-bo... [Phys. Rev. Lett. 127, 043002] Published Fri Jul 23, 2021

Author(s): Kyungtae Kim, Junhyeok Hur, SeungJung Huh, Soonwon Choi, and Jae-yoon Choi We report the observation of matter-wave jet emission in a strongly ferromagnetic spinor Bose-Einstein condensate of $^{7}\mathrm{Li}$ atoms. Directional atomic beams with $|F=1,{m}_{F}=1⟩$ and $|F=1,{m}_{F}=−1⟩$ spin states are generated from $|F=1,{m}_{F}=0⟩$ state condensates or vice versa. This ... [Phys. Rev. Lett. 127, 043401] Published Thu Jul 22, 2021

Author(s): Jie Peng, Juncong Zheng, Jing Yu, Pinghua Tang, G. Alvarado Barrios, Jianxin Zhong, Enrique Solano, F. Albarrán-Arriagada, and Lucas Lamata General solutions to the quantum Rabi model involve subspaces with an unbounded number of photons. However, for the multiqubit multimode case, we find special solutions with at most one photon for an arbitrary number of qubits and photon modes. Such solutions exist for arbitrary single qubit-photon...

Author(s): J. Lukusa Mudiayi, I. Maurin, T. Mashimo, J. C. de Aquino Carvalho, D. Bloch, S. K. Tokunaga, B. Darquié, and A. Laliotis We report on precision spectroscopy of subwavelength confined molecular gases. This was obtained by rovibrational selective reflection of ${\mathrm{NH}}_{3}$ and ${\mathrm{SF}}_{6}$ gases using a quantum cascade laser at $λ≈10.6\text{ }\text{ }μ\mathrm{m}$. Our technique probes molecules at micromet... [Phys....

Author(s): Philipp Wustelt, Florian Oppermann, Saurabh Mhatre, Matthias Kübel, A. Max Sayler, Manfred Lein, Stefanie Gräfe, and Gerhard G. Paulus The vibrational motion of molecules represents a fundamental example of an anharmonic oscillator. Using a prototype molecular system, ${\mathrm{HeH}}^{+}$, we demonstrate that appropriate laser pulses make it possible to drive the nuclear motion in the anharmonic potential of the electronic ground s...

Author(s): Wilton J. M. Kort-Kamp, Abul K. Azad, and Diego A. R. Dalvit When it’s modulated by laser beams, a surface made of polarizable meta-atoms can entangle a photon’s properties in multiple, controllable ways. [Phys. Rev. Lett. 127, 043603] Published Tue Jul 20, 2021

Author(s): Malcolm Simpson, Markus Nötzold, Tim Michaelsen, Robert Wild, Franco A. Gianturco, and Roland Wester Threshold photodetachment spectroscopy of the molecular ion ${\mathrm{C}}_{3}{\mathrm{N}}^{−}$ has been performed at both 16(1) and 295(2) K in a 22-pole ion trap. The 295(2) K spectrum shows a large increase in the cross section with an onset about $200\text{ }\text{ }{\mathrm{cm}}^{−1}$ below thre... [Phys. Rev. Lett. 127, 043001...