Learning quantum states of continuous-variable systems
Trace distance The trace distance between two quantum states ρ1 and ρ2 is defined as $${d}_{{\rm{tr}}}(\;{\rho }_{1},{\rho }_{2}):=\frac{1}{2}\|{\rho…
Entanglement-enhanced nanoscale single-spin sensing | Nature
Casola, F., van der Sar, T. & Yacoby, A. Probing condensed matter physics with magnetometry based on nitrogen-vacancy…
Multi-qubit nanoscale sensing with entanglement as a resource
Rovny, J. et al. Nanoscale diamond quantum sensors for many-body physics. Nat. Rev. Phys. 6, 753–768 (2024). Article …
Electrical control of photon spin angular momentum in organic electroluminescent materials
Although aza[6]H has proved to be a useful additive to generate blend polymer films with large chiroptical activity,…
‘Portal to physics beyond the Standard Model’: World’s largest neutrino detector starts up — with incredible results
The first results from the world’s largest neutrino detector have just been published, and they reveal the most…
Ultra high-Q tunable microring resonators enabled by slow light
Slow light-induced linewidth narrowing The maximum achievable Q-factor (Q = ωc/κ) of resonators is primarily constrained by intrinsic loss mechanisms…
Spin transition in magnesiowüstite and ultralow thermal conduction in ultralow velocity zones
Thermal conductivity of Fp25 and Fp75 at high pressure and room temperature We used ultrafast time-domain thermoreflectance (TDTR)…
Scientists Revisiting the ‘Faraday Effect’ Have Uncovered a Surprising Magnetic Interaction Between Light and Matter
Light’s magnetic field influences matter, according to new findings by Israeli researchers, challenging long-held assumptions that light only…
A Physicist Ran the Numbers on What Would Happen if a Tiny Black Hole Passed Through Your Body
Credit: ZME Science/Midjourney. A tiny black hole zipping through your body sounds like the kind of death dreamed…
Two stars spiraling toward catastrophe are putting Einstein’s gravity to the test
Astronomers have observed a pair of stars locked in a death spiral, and their dance of doom is…
Two Years of Listening to the Universe’s Most Violent Events
Gravitational waves are perhaps the most extraordinary signals in modern astronomy. When black holes or neutron stars collide…
Record-breaking quantum material could outpace every semiconductor
Scientists at the University of Warwick and the National Research Council of Canada say they have achieved the…