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Semere Tadesse

The interaction between light and sound

Semere Tadesse is a physics graduate student working on optics with Electrical Engineering and Physics graduate faculty member Professor Mo Li. His research integrates optical and surface acoustic wave devices on piezoelectric aluminum nitride film, which enables interaction of light and sound on the same chip. More »

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Society of Physics Students

The Society of Physics Students at the University of Minnesota has one of the most active and effective clubs for undergraduate physics majors in the country. The Minnesota chapter won a national award in 2013 for Outstanding Chapter. More »

Yilikal Ayino

Hybrid topological insulator-superconductor devices

Yilikal Ayino is a graduate student doing condensed matter experiments, working in Vlad Pribiag’s laboratory. Pribiag’s lab is interested in two areas of research, quantum spin transport and Majorana physics in condensed matter systems. The focus is on low dimensional systems – two dimensional electron gases, nanowires, and quantum dots. The group is especially interested in materials that have high spin-orbit coupling, such as Indium antimonide or indium arsenide. More »

Jian Kang

Probing the nematic phase

One of the goals of superconductor research, apart from understanding the physics phenomena, is to discover ways to enhance the transition temperature in superconductors so that they can be made more practical for use in devices. Jian Kang is a postdoctoral researcher, working with Professor Rafael Fernandes in the area of iron-based superconductors. Kang is a theoretical physicist whose research is particularly to understand the mechanism of high Tc superconductors. More »

Dinesh Shenoy

Investigating the Brightest Stars

Dinesh Shenoy is a graduate student in astrophysics working with Professor Terry Jones. He studies eruptions and outflows from very massive stars using telescopes with some of the largest primary mirrors in the world. Shenoy uses the 6.5-meter diameter MMT telescope on Mt. Hopkins, AZ (pictured) and the 8.4-meter diameter Large Binocular Telescope on Mt. Graham, AZ. These telescopes use the novel technique of “adaptive optics” to correct the optical distortions that starlight experiences when it passes through Earth’s turbulent atmosphere. More »

Stefan Fliescher

Polarimetry at the South Pole

Stefan Fliescher is a post doc working with Clem Pryke on the BICEP2 and Keck Array experiments. Both these experiments are polarimetry telescopes located at the South Pole which track the Cosmic Microwave Background (CMB). The CMB is a remnant signal from the Big Bang. Pryke’s group is looking for B Mode patterns in the CMB which would be confirmation of the inflationary model of the early Universe. Cosmologists have long predicted that Universe underwent a period of rapid, exponential expansion in the first few fractions of a second after the big bang. More »

Dominick Rocco

Data Handyman

Dominick Rocco is graduate student in the NOvA group working on experimental neutrino physics. Rocco describes his role as that of a general handyman, though he’s more likely to be fixing software problems than putting up shelves. He works on offline software, reconstruction, data and analysis tools. For the last year he has been specifically working on batch processing of a large data making sure the group’s algorithms are running in an organized way so general uses can consume and digest that data. More »

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Understanding Massive Stars

Amit Kashi is a postdoc working on very massive stars with Kris Davidson and Roberta Humphreys. Kashi is working on stars that are typically a hundred times more massive than the Sun. Kashi says that these very massive stars are fundamentally different from others in that they are very unstable due to their size. The radiation from these objects, coming from the nuclear burning core, is so intense that it almost overcomes the gravity that is holding them together. More »

Paul Crowell

C-SPIN materials may comprise future computers

The end is near for CMOS technology, and Paul Crowell is trying to do something about that. “CMOS” stands for “complementary metal-oxide-semiconductor,” and CMOS technology is responsible for all the calculators, laptops, cell phones, tablets, and just about every non-abacus computing device in the world. Over the past 70 years or so, scientists and engineers have consistently made CMOS transistors smaller and more energy efficient, which is why your cell phone has more computing power than the most powerful mainframe in 1960. More »

Chaoyun Bao

Seeing through the Cosmic Fog

Chaoyun Bao is a graduate student in professor Shaul Hanany's Observational Cosmology lab. Hanany's group launched a microwave telescope called EBEX on a balloon at high altitude from Antarctica in 2012. During the balloon's 28-day trip around the Antarctic sky it gathered data on the Cosmic Microwave Background (CMB), which is a remnant signal from the Big Bang. Bao's job is to do data analysis and simulation for EBEX, including separating polarization anisotropies from foreground contamination signal from our own Milky Way galaxy. More »


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