Quasi-symmetry in CoSi reveals new type of topological material

Ever since the discovery of the quantum Hall effect (Nobel Prize 1985), symmetry has been the guiding principle in the search for topological materials. Now an international team of researchers from Germany, Switzerland, ...

The role of surface tension in biological symmetry

EPFL researchers have discovered that symmetry in the human body is influenced by surface tension, the same mechanical phenomenon that allows lightweight insects to walk on water. A paper discussing this surprising finding, ...

Learning chemical networks give life a chiral twist

When holding a right hand in front of a mirror, one can see a reflected image of a left hand and vice versa. In 1848, Louis Pasteur discovered that organic molecules are much like our hands: they come in mirror-image pairs ...

Guiding a superconducting future with graphene quantum magic

Superconductors are materials that conduct electrical current with practically no electrical resistance at all. This ability makes them extremely interesting and attractive for a plethora of applications such as loss-less ...

Physicists elucidate connection between symmetry and Mott physics

Initially regarded as a scientific curiosity upon its discovery in 1911 by Heike Kamerlingh Onnes, superconductivity has provided physicists with numerous theoretical challenges and experimental surprises. From the development ...

Uncovering unexpected properties in a complex quantum material

Anew study describes previously unexpected properties in a complex quantum material known as Ta2NiSe5. Using a novel technique developed at Penn, these findings have implications for developing future quantum devices and ...

New insight into unconventional superconductivity

The kagome pattern, a network of corner-sharing triangles, is well known amongst traditional Japanese basket weavers—and condensed matter physicists. The unusual geometry of metal atoms in the kagome lattice and resulting ...

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