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The Role of Renormalizable Quantum Gravity in Determining Cosmic Entropy

Recent research unveils that renormalizable quantum gravity's effective action correlates with the universe's entropy, shedding light on its origin and conservation laws. Ghost modes, essential for maintaining diffeomorphism invariance, play a pivotal role in generating entropy and shaping cosmic structures, emphasizing further exploration in this quantum framework.

15 May 2024

Frequency Entanglement Paves Way for Secure Quantum Networks

In the journal Light: Science & Application, a group of researchers led by Professor Heedeuk Shin from Pohang University of Science and Technology, Korea, created a new kind of quantum entanglement where photons are linked by their frequency instead of their path.

15 May 2024

Quasiparticle Discovery Sheds Light on Quantum Spin Liquid State

Theoretical physicists from various international institutions provided insight into the long-expected development of quasiparticles, which are similar to the well-known Dirac particles that obey the relativistic Dirac equation.

14 May 2024

A New Mechanism for Creating p-Nuclei in Stellar Environments

Scientists from GSI Helmholtzzentrum für Schwerionenforschung, Technische Universität Darmstadt, and Max Planck Institute for Astrophysics proposed a new theory named ?r-process in the journal Physical Review Letters.

14 May 2024

Discovery of One-Dimensional Superconducting Stripes in Oxide Heterostructures

In recent research published in Nature Physics, academician Xianhui Chen and Professor Ziji Xiang, leading a research team from the CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics and the Department of Physics at the University of Science and Technology of China, unveiled a distinctive superconducting phenomenon.

14 May 2024

Advancing Spin Qubit Technology With Cryogenic Probing

A recent study published in Nature introduced a groundbreaking approach to scale up spin qubit technology, addressing challenges in fabrication and testing. By implementing a 300-mm cryogenic probing process and optimizing an industry-compatible fabrication method, researchers achieved high-volume data acquisition and improved device reliability.

13 May 2024

Tidal Disruptions Offer Hope for Pinpointing Elusive Pop III Stars

A recent study, led by Professor Jane Lixin Dai's research group at the Department of Physics, The University of Hong Kong (HKU), has unveiled a pioneering technique for detecting Population III (Pop III) stars, the earliest generation of stars that have eluded direct observation until now.

10 May 2024

Exploring Quantum Spin Nematic State Using Advanced X-Ray Techniques

Ever since superconductivity was discovered in the early 1900s, it has both captivated and mystified scientists. Superconductors conduct electricity with virtually zero resistance, allowing for highly efficient transmission of electrical currents.

9 May 2024

XRISM Unveils Elemental Composition Near Supermassive Black Hole

A group of scientists from NASA and JAXA examined the massive black hole in the center of galaxy NGC 4151 using XRISM (X-Ray Imaging and Spectroscopy Mission).

9 May 2024

Deep Underground Detectors Push Limits of Dark Matter Particle Mass

A recent publication in the journal Physical Review Letters unveiled that researchers at the Sanford Underground Research Facility, a Department of Energy Office of Science user facility, conducted a search for dark matter particles using a highly sensitive detector deployed deep underground. Despite their efforts, no signal indicating the presence of dark matter was detected.

7 May 2024