Tag Archives: Quantum Physics

A Dense, Cold Gas of EuropiumAtoms

A Bose-Einstein condensate of europium atoms provides a new experimental platform for studying quantum spin interactions. Read more at APS Physics…

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Expanding Universe in the Lab

Researchers control the speed of sound in an ultracold gas, mimicking features of a curved spacetime and reproducing quantum field behavior predicted in early Universe models. Continue reading

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Boron Nitride with a Twist Could Lead to New Way to Make Qubits

Easy control over bright emissions from the crystalline material offer a route toward scalable quantum computing and sensing. Continue reading

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An Exotic Fractional Quantum Hall State

The even-denominator state appears in a 2D quasiparticle system, but researchers still can’t explain its origin. Continue reading

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Quantum Thermal Transistor Amplifies Heat Currents

A three-qubit transistor design offers a way to manipulate the system’s heat flow by hitting one of the qubits with a laser. Continue reading

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Parametric Amplification for Silicon Quantum Devices

A new design based on the quantum capacitance of a silicon quantum dot could enable scalable, high-fidelity qubit readout. Continue reading

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Heat Leaks from Trapped-Ion Qubits

By determining whether two qubits are coupled to a third “hidden” one, researchers can detect whether energy is irreversibly lost from a quantum system. Read more in APS Physics…

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Extracting the Spin and Valley Information of Electrons

An electron’s spin and valley information can be determined by monitoring how easily that electron passes through a qubit.  Read more in APS Physics…

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Quantum Measurement Strikes a Balance

An experiment demonstrates the trade-off between measurement and total information content—comprising gain, disturbance, and reversibility—in a quantum system. Continue reading

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A Physical Match for the Riemann Zeta Function

Mathematical properties of a famous number-theory conjecture correspond to the physical scattering properties of a quantum field theory. Continue reading

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