Low Resistance Ohmic Contact to P-type Monolayer WSe2

Kavli Affiliate: Michael Crommie | First 5 Authors: Jingxu Xie, Zuocheng Zhang, Haodong Zhang, Vikram Nagarajan, Wenyu Zhao | Summary: Advanced microelectronics in the future may require semiconducting channel materials beyond silicon. Two-dimensional (2D) semiconductors, characterized by their atomically thin thickness, hold immense promise for high-performance electronic devices at the nanometer scale with lower heat […]


Continue.. Low Resistance Ohmic Contact to P-type Monolayer WSe2

The Universe SPHEREx Will See: Empirically Based Galaxy Simulations and Redshift Predictions

Kavli Affiliate: James J. Bock | First 5 Authors: Richard M. Feder, Daniel C. Masters, Bomee Lee, James J. Bock, Yi-Kuan Chiang | Summary: We simulate galaxy properties and redshift estimation for SPHEREx, the next NASA Medium Class Explorer. To make robust models of the galaxy population and test spectro-photometric redshift performance for SPHEREx, we […]


Continue.. The Universe SPHEREx Will See: Empirically Based Galaxy Simulations and Redshift Predictions

Broadband, High-Reflectivity Dielectric Mirrors at Wafer Scale: Combining Photonic Crystal and Metasurface Architectures for Advanced Lightsails

Kavli Affiliate: Simon Groblacher | First 5 Authors: Jin Chang, Wenye Ji, Xiong Yao, Arnold J. van Run, Simon Gröblacher | Summary: Highly ambitious initiatives aspire to propel a miniature spacecraft to a neighboring star within a human generation, leveraging the radiation pressure of lasers for propulsion. One of the main challenges to achieving this […]


Continue.. Broadband, High-Reflectivity Dielectric Mirrors at Wafer Scale: Combining Photonic Crystal and Metasurface Architectures for Advanced Lightsails

A single-phonon directional coupler

Kavli Affiliate: Simon Groblacher | First 5 Authors: Amirparsa Zivari, Niccolò Fiaschi, Lorenzo Scarpelli, Menno Jansen, Roel Burgwal | Summary: Integrated photonics has enabled countless technologies in telecommunications, spectroscopy, metrology, quantum optics, and quantum information processing. Using highly confined guided optical modes is the key that has made integrated circuits possible and has lead to […]


Continue.. A single-phonon directional coupler

TOI-4641b: An Aligned Warm Jupiter Orbiting a Bright (V=7.5) Rapidly Rotating F-star

Kavli Affiliate: David Charbonneau | First 5 Authors: Allyson Bieryla, George Zhou, Juliana García-Mejía, Tyler R. Farnington, David W. Latham | Summary: We report the discovery of TOI-4641b, a warm Jupiter transiting a rapidly rotating F-type star with a stellar effective temperature of 6560 K. The planet has a radius of 0.73 $R_{Jup}$, a mass […]


Continue.. TOI-4641b: An Aligned Warm Jupiter Orbiting a Bright (V=7.5) Rapidly Rotating F-star

Phonon screening and dissociation of excitons at finite temperatures from first principles

Kavli Affiliate: Jeffrey B. Neaton | First 5 Authors: Antonios M. Alvertis, Jonah B. Haber, Zhenglu Li, Christopher J. N. Coveney, Steven G. Louie | Summary: The properties of excitons, or correlated electron-hole pairs, are of paramount importance to optoelectronic applications of materials. A central component of exciton physics is the electron-hole interaction, which is […]


Continue.. Phonon screening and dissociation of excitons at finite temperatures from first principles

Low-energy optical sum-rule in moiré graphene

Kavli Affiliate: Debanjan Chowdhury | First 5 Authors: J. F. Mendez-Valderrama, Dan Mao, Debanjan Chowdhury, , | Summary: Few layers of graphene at small twist-angles have emerged as a fascinating platform for studying the problem of strong interactions in regimes with a nearly quenched single-particle kinetic energy and non-trivial band topology. Starting from the strong-coupling […]


Continue.. Low-energy optical sum-rule in moiré graphene

Electrically controlled interlayer trion fluid in electron-hole bilayers

Kavli Affiliate: Feng Wang | First 5 Authors: Ruishi Qi, Qize Li, Zuocheng Zhang, Sudi Chen, Jingxu Xie | Summary: The combination of repulsive and attractive Coulomb interactions in a quantum electron(e)-hole(h) fluid can give rise to novel correlated phases of multiparticle charge complexes such as excitons, trions and biexcitons. Here we report the first […]


Continue.. Electrically controlled interlayer trion fluid in electron-hole bilayers

Digital Discovery of interferometric Gravitational Wave Detectors

Kavli Affiliate: Rana X. Adhikari | First 5 Authors: Mario Krenn, Yehonathan Drori, Rana X Adhikari, , | Summary: Gravitational waves, detected a century after they were first theorized, are spacetime distortions caused by some of the most cataclysmic events in the universe, including black hole mergers and supernovae. The successful detection of these waves […]


Continue.. Digital Discovery of interferometric Gravitational Wave Detectors

Dynamics of a $2$-dimensional slow-fast Belousov-Zabotinsky model

Kavli Affiliate: Xiang Zhang | First 5 Authors: Ruihan Xu, Ming Sun, Xiang Zhang, , | Summary: For the reduced two-dimensional Belousov-Zhabotinsky slow-fast differential system, the known results are the existence of one limit cycle and its stability for particular values of the parameters. Here, we characterize all dynamics of this system except one degenerate […]


Continue.. Dynamics of a $2$-dimensional slow-fast Belousov-Zabotinsky model