Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session J62: Physical Review Invited Session: Forefront Research Across DisciplinesInvited Live Undergrad Friendly
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Sponsoring Units: APS Chair: Sami Mitra, American Physical Society |
Tuesday, March 16, 2021 3:00PM - 3:36PM Live |
J62.00001: Circuit QED: Encoding quantum information in harmonic oscillators Invited Speaker: Steven Girvin ‘Circuit quantum electrodynamics’ is the theory of non-linear quantum optics extended to the study of microwave photons strongly interacting with ‘artificial atoms’ (Josephson junction qubits) embedded in superconducting electrical circuits. Recent remarkable theoretical and experimental progress in our ability to measure and manipulate the quantum states of individual microwave photons is leading to novel applications including: accelerating axion dark matter searches, using boson sampling to simulate the optical spectra of small molecules, and quantum error correction using bosonic codes that have successfully extended the lifetime of quantum information. This talk will present an elementary introduction to the basic concepts underlying circuit QED and describe several recent experiments demonstrating these novel capabilities [1,2]. |
Tuesday, March 16, 2021 3:36PM - 4:12PM Live |
J62.00002: Mechanics and applications of bio-conformable electronics Invited Speaker: Nanshu Lu Seamlessly merging human body with electronics can not only digitize our body for internet of health and human-computer interaction, but also enable controlled therapy delivery or even augment our capabilities. As human organs are soft and curvilinear, it is important to understand and rationally design the conformability of soft electronics to human tissue. This talk will present 2D and 3D analytical and numerical models along with experimental validations for the conformability of flexible and stretchable electronics on rigid and soft curvilinear surfaces. It will also introduce reversible physical adhesives based on cratered surfaces that can attach on dry and wet surfaces but easy to remove and reuse. Exemplary noninvasive and invasive bio-conformable soft electronics will be demonstrated in this talk. |
Tuesday, March 16, 2021 4:12PM - 4:48PM Live |
J62.00003: Supersolidity in the ultracold: when atoms behave as solid and superfluid at the same time Invited Speaker: Francesca Ferlaino Ultracold quantum gases are both an ideal test-bed platform to address key questions in quantum physics and a powerful resource to realize novel paradigms and novel phases of quantum matter. Moreover, the potential of such systems is becoming ever more enabling as scientists acquire an increasingly fine control over optical manipulation and inter-particle interactions. |
Tuesday, March 16, 2021 4:48PM - 5:24PM Live |
J62.00004: A simple model of entangled qubits: how it describes superconductors and black holes Invited Speaker: Subir Sachdev Long-range, multi-particle quantum entanglement plays a fundamental role in our understanding of many modern quantum materials, including the copper-based high temperature superconductors. Hawking’s quantum information puzzle in the quantum theory of black holes also involves non-local entanglement. I will describe a simple model of randomly entangled qubits which has shed light on these distinct fields of physics. |
Tuesday, March 16, 2021 5:24PM - 6:00PM Live |
J62.00005: Hybrid Epitaxial Materials at the Heart of the Quantum Computing Revolution Invited Speaker: Charles M Marcus This talk will highlight several approaches to quantum information made possible by revolutionary new capabilities in materials growth. Controlled epitaxial growth of semiconductors, superconductors, and ferromagnets can create hybrid materials with properties not available in a single material, which are useful for creating topological and conventional qubits. This ranges from topological superconductors exhibiting signatures of Majorana zero modes [1], including at zero applied magnetic field [2] to voltage-controlled transmon-like Josephson qubits [3]. Along the way, much basic physics remains to be uncovered and understood, shedding light on topological materials, anomalous metals, even the lowly quantum point contact presents new aspects in these hybrid systems. A variety of basic and applied results are surveyed. Research supported by Microsoft and the Danish National Research Foundation. |
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