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A seismic meteor strike on Mars and its subsequent seismic waves

2022-10-31

The crustal and mantle structures of a planet bear important information about its origin and evolution. Seismic waves propagating along the shallow surface of a planet, known as surface waves, can be used to map its crustal and upper mantle structures. However, no such waves have ever been detected on any planet besides Earth.

Researchers publish findings on stability of Runge-Kutta methods for linear seminegative systems

2022-10-28

The Runge-Kutta method is a class of important algorithms for numerically solving differential equations, and it has been widely used in many fields of science and engineering. The stability of the Runge-Kutta method has a decisive influence on its numerical results.

Researchers reveal characteristic structure of genuine multipartite nonlocality in quantum network

2022-10-26

Quantum nonlocality is one of the most important properties of quantum physics, which is different from classical physics. It is the basis of modern quantum information processing tasks such as quantum key distribution, quantum random number, distributed quantum computation, and distributed quantum precision measurement.

Researchers discover mechanism of ferroelectric-antiferroelectric phase transition in Bi2TeO5 films regulated by defective structure

2022-10-24

Ferroelectric (FE) materials, showing switchable electrical polarizations under external electric fields, have shown great potential in applications of non-volatile memories, field-effect transistors, transducers, actuators, and other devices.

SUSTech student wins Alibaba Global Mathematics Competition award

2022-09-30

On September 26, 2022, the 2022 Alibaba Global Mathematics Competition winners were announced.

Advances in quantum refrigerator driven by indefinite causal orders

2022-09-27

Causal order is the basic concept for us to comprehend the world, which is also the basis of time. It plays a crucial role in our cognition, allowing us to determine the cause of certain events, make scientific predictions for the future, and choose reasonable action to achieve the goal.