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How Silly Putty is Like Bone

October 30, 2017 life & behavioral sciences physiology and neurobiology

A physiology and neurobiology professor explains that the physical characteristics of both substances vary, based on how fast a force is applied on them. (Video by UConn)

How Silly Putty is Like Bone

Geoffrey Tanner, assistant professor-in-residence of physiology and neurobiology, explains to a class how silly putty is like bone. Both substances share a property called viscoelasticity, which means their physical characteristics vary, based on how fast a force is applied on them.

By Bret Eckhardt | Story courtesy of UConn Today

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Oct 14 The Persistence of Myth: Brazil's Undead Racial Democracy12:20pm

The Persistence of Myth: Brazil's Undead Racial Democracy

Monday, October 14th, 2019

12:20 PM - 01:50 PM

Storrs Campus
4th Floor Babbidge Library

This talk addresses a recurrent tension in the literature on race and racism in Brazil. On the one hand, we find the so-called myth of racial democracy presented as the dominant racial ideology in Brazil, obscuring enduring racial inequality and thwarting the development of a racial justice mass-movement. On the other hand, we find periodic announcements that the myth of racial democracy has definitively died. Accordingly, I theorize the myth of racial democracy as a paradoxically undead myth and ask what it is about the form of this peculiar myth that allows it to survive its own repeated death. I show how the celebration of racial mixture, or mestiçagem, functions as a mythological signifier of racial democracy that operates beneath and beyond the level of conscious thought, activating powerful affects and desires even in those who “know” better.

Please contact Fred Lee fred.lee@uconn.edu with any questions

Sponsored by El Instituto, Philosophy, Africana Studies, Political Science, Political Theory Workshop, UConn Humanities Institute, Office for the Vice President for Research

Contact Information: Prof. Fred Lee (fred.lee@uconn.edu)
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Oct 14 Particle, Astrophysics, and Nuclear Physics Seminar2:00pm

Particle, Astrophysics, and Nuclear Physics Seminar

Monday, October 14th, 2019

02:00 PM - 03:00 PM

Storrs Campus
GS-413.E

Dr. Masakaki Tomii, Department of Physics, University of Connecticut

Non-perturbative matching of Wilson coefficients from four-flavor to three-flavor theories using lattice QCD

The first lattice result for direct CP violation in \(K \to \pi\pi\) decay in the Standard Model published by RBC/UKQCD in 2015 is desired to be more precise to see the deviation from the experimental value more clearly. In this talk, I will overview RBC/UKQCD’s calculation of \(K \to \pi\pi\) matrix elements mentioning a particular error
source: Since RBC/UKQCD calculated the matrix elements with the four-quark operators without the charm quark, we need the
corresponding Wilson coefficients in the three-flavor theory, which can be obtained by converting from the four-flavor theory.
Perturbative matching may result in a significant uncertainty since it
needs to be done below charm threshold. To resolve this problem, we are trying to do this matching in a non-perturbative prescription using lattice QCD. I will explain the strategy of the matching and show some results of an exploratory calculation.

Contact Information: Prof. L. Jin
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Oct 15 Colloquium: Sanford Levinson12:30pm

Colloquium: Sanford Levinson

Tuesday, October 15th, 2019

12:30 PM - 01:30 PM

Storrs Campus
Oak Hall 438

Colloquium with Prof. Sanford Levinson (U Texas Law School). Sponsored by ECE and Bennett Honors Fund.

Contact Information: Prof. Matthew Singer (matthew.m.singer@uconn.edu)
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Oct 15 Condensed Matter Physics Seminar2:00pm

Condensed Matter Physics Seminar

Tuesday, October 15th, 2019

02:00 PM - 03:00 PM

Storrs Campus
GS-119

Dr. Jian-Xin Zhu, Los Alamos National Laboratory

Electronic Structure and Topology in f-Electron Quantum Matter

In recent years there has been a surge of interest in quantum materials with topologically protected properties, which are robust against disorder effects. Interesting examples are topological insulators and three-dimensional Weyl metals. Electronic structure has played an important role in the exotic properties of these materials. In this talk, I will present our recent theoretical study of electronic structure and its topology in f-electron PuB\({}_4\) [1] and Ce\({}_3\)(Pt,Pd)\({}_3\)Bi\({}_4\) [2] compounds. In addition to uncovering topologically nontrivial electronic states, the role of f-electron and in particular the electronic correlation effects are discussed in the framework of density functional theory and its combination with the dynamical mean-field theory.

[1] H. Choi, W. Zhu, S.K. Cary, L.E. Winter, Z. Huang, R.D. McDonald, V. Mocko, B.L. Scott, P.H. Tobash, J.D. Thompson, S.A. Kozimor, E.D. Bauer, J.-X. Zhu, and F. Ronning, “Experimental and theoretical study of topology and electronic correlations in PuB\({}_4\)”, Phys. Rev. B 97, 201114(R) (2018).

[2] C. Cao, G.-X. Zhi, and J.-X. Zhu, “From Trivial Kondo Insulator Ce\({}_3\)Pt\({}_3\)Bi\({}_4\) to Topological Nodal-line Semimetal Ce\({}_3\)Pd\({}_3\)Bi\({}_4\)”, arXiv:1904.00675.

Contact Information: Prof. A. Balatsky
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Oct 15 Getting Started in Undergraduate Research3:00pm

Getting Started in Undergraduate Research

Tuesday, October 15th, 2019

03:00 PM - 04:00 PM

Storrs Campus
Rowe 420

Are you interested in research but not sure how to get started? Join us to identify your goals for your participation in research and to develop a strategy for pursuing research opportunities at UConn and beyond.

For more information, please visit the Office of Undergraduate Research website: https://ugradresearch.uconn.edu/.

If you require an accommodation to participate in this session, please contact Jodi Eskin at jodi.eskin@uconn.edu by October 8, 2019.

Contact Information: Jodi Eskin, 486-7939, jodi.eskin@uconn.edu
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