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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Dear enthusiasts of the SLAAM seminars,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">This is a friendly reminder that we will have a SLAAM Seminar by <b>Dr. Varda Hagh</b></span><span style="color:black">
</span><span style="font-size:12.0pt;color:black">(University of Chicago) on <b>Monday, December 5,<span class="apple-converted-space"> </span></b>at <b>9 am Pacific/11am Central/12 noon Eastern time</b>.</span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black">Title:<span class="apple-converted-space"> <b>Systematic manipulation of disorder for extraordinary functionality in materials </b>[<a href="https://physics.ucmerced.edu/sites/physics.ucmerced.edu/files/page/varda_hagh_slaam.pdf" title="https://physics.ucmerced.edu/sites/physics.ucmerced.edu/files/page/varda_hagh_slaam.pdf"><span style="font-size:11.0pt;color:#0563C1">flyer</span></a>]</span></span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black">The Zoom information for this talk is:</span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black"><a href="https://ucmerced.zoom.us/j/92693607475?pwd=TnI5dDhRRnYvejNZK2xNN0s4M0R5UT09" title="https://ucmerced.zoom.us/j/92693607475?pwd=TnI5dDhRRnYvejNZK2xNN0s4M0R5UT09"><span style="font-size:11.0pt;color:#0563C1">https://ucmerced.zoom.us/j/92693607475?pwd=TnI5dDhRRnYvejNZK2xNN0s4M0R5UT09</span></a></span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black">Meeting ID: 926 9360 7475</span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black">Passcode: 223642</span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black">As usual, there will be a 15 min informal Q&A at the end of the hour. Graduate students will have an opportunity to interact with the speaker in an informal setting during the "Meet the speaker" timeslot just after
the talk. Please join if the time works for you. Please sign up <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.google.com_forms_d_e_1FAIpQLScTyzEuuE7TfrrapgP4tzN-5FoPSqbBhURUxa9-2Dzc8USnY1IPzA_viewform&d=DwMFAw&c=WO-RGvefibhHBZq3fL85hQ&r=6T170XR90Za4-nl9r1e8-WfEJbvH5g5hJbA9UumqfWQ&m=NK4EGo1VvrDiYSxdvOUJXgCkEAzTrQzNpQi-P59LZiKL_lMA3briJm9KQh9Y3suN&s=3hc1lEhiJwBLtMEr12Z9K5XtZaVlEfOZKYXGtXCjRDg&e=" title="https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.google.com_forms_d_e_1FAIpQLScTyzEuuE7TfrrapgP4tzN-5FoPSqbBhURUxa9-2Dzc8USnY1IPzA_viewform&d=DwMFAw&c=WO-RGvefibhHBZq3fL85hQ&r=6T170XR90Za4-nl9r1e8-WfEJbvH5g5hJbA9UumqfWQ&m=NK4EGo1VvrDiYSxdvOUJXgCk"><span style="font-size:11.0pt;color:#0563C1">here</span></a> to
register your interest to give a talk (postdocs only) and to receive these notifications.</span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;color:black">Abstract:</span></b><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black">Much of materials science deals with ordered crystalline or polycrystalline materials that are designed and delicately fabricated to have specific desired properties. However, <i>disordered</i> materials, such as glasses
or granular media, have an untapped potential: they can exist in a multitude of metastable states that are distinguished by their microstructure. While the vast majority of these states have similar bulk properties, there are a few rare cases that have spectacular
behavior. The challenge, of course, is to direct the material to such targeted useful states that would never be discovered by chance alone. Inspired by biology, we meet this challenge by introducing material training protocols that allow evolution toward
those desired states. In these protocols, the possible modes of relaxation are augmented by introducing extra transient degrees of freedom, such as particle radii, that allow an easier pathway to the target. Once that desired state is reached, the additional
degrees of freedom are removed. Using this conceptual framework, we create stable jammed packings that exist in exceptionally deep energy minima marked by the absence of low-frequency quasilocalized modes; this added stability persists in the thermodynamic
limit. </span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black"><br>
<b>About the speaker:</b></span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black">Varda is a postdoctoral scholar at the James Franck Institute in the University of Chicago and a member of the Simons collaboration on cracking the glass problem. Varda received her Ph.D from Arizona State University
where she studied rigidity and mechanical stability of disordered materials. In her postdoctoral work, Varda has been interested in developing novel computational techniques for introducing new behavior into materials.</span><span style="color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">See you there!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black">Daniel Beller<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black">Assistant Professor<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black">Department of Physics and Astronomy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black">Johns Hopkins University<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black">pages.jh.edu/dbeller3<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Helvetica;color:black">(he/him/his)</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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