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Home > Press > Quantum quirk yields giant magnetic effect, where none should exist: Study opens window into the landscape of extreme topological matter
Rice University theoretical physicists (from left) Hsin-Hua Lai, Qimiao Si and Sarah Grefe worked with experimental collaborators at Vienna University of Technology to understand topological features of a nonmagnetic Weyl-Kondo semimetal allowed it to produce a giant Hall effect in the absence of a magnetic field.
CREDIT
Photo by Jeff Fitlow/Rice University
Abstract:
In a twist befitting the strange nature of quantum mechanics, physicists have discovered the Hall effect a characteristic change in the way electricity is conducted in the presence of a magnetic field in a nonmagnetic quantum material to which no magnetic field was applied.
Help for mother and child: Study: Treating postpartum depression helps babies’ brains, too By: Melissa Erickson February 23, 2021
8:05 am
Babies whose mothers struggle with postpartum depression often develop behavior and emotional problems as they grow, but treating the mother’s depression can reverse the changes in babies’ brains, according to a new study from Canada’s McMaster University.
The study, published in the journal Depression and Anxiety, found that short-term, inexpensive cognitive behavioral therapy helps relieve a mother’s symptoms and promotes healthy changes in their babies’ developing nervous and cardiovascular systems.
Previous studies have found that the children of women with postpartum depression have changes in the functioning of their brains that make it more likely they will develop emotional and behavioral problems later in life. Studies have found these babies may have trouble interacting with their mothers and c
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