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Dear All,</div>
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We have a seminar this week whose details are provided below - </div>
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<span style="font-size: 15px;"><b>Speaker:</b> </span><span style="font-size: 11pt;"><b>Ivano Basile
</b>(Max-Planck-Institut für Astrophysik)</span></div>
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<b>Seminar date:</b> March 18<sup>th</sup><b>, Tuesday, 1 pm </b>UK time</div>
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<b>Venue:</b> Seminar Room <b>A 113 (Cripps North Building, CAPT)</b></div>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: black;"><b>Title:
</b></span><span style="font-family: "Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(0, 0, 0);"><b><i>Scale separation with strings attached</i></b></span></p>
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<span style="font-family: "Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(0, 0, 0);"><br>
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<span style="font-family: "Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(0, 0, 0);"><b>Abstract: </b>Empirical evidence famously indicates that we live in a universe
with four extended spacetime dimensions and no "fifth forces" at low energies. Building realistic universes from string theory runs into several challenges, among which achieving both of these conditions simultaneously. This is known as the scale separation
problem. I will present a novel approach to this end, concocting four-dimensional string vacua directly from the worldsheet formulation by analogy with the Banks-Zaks phenomenon in gauge theory. The resulting vacua are non-supersymmetric anti-de Sitter spacetimes
with no intermediate effective description in higher dimensions. I will provide a working example in four dimensions as a proof of principle.</span></p>
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<b>Link to join:</b></div>
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<a href="https://teams.microsoft.com/l/meetup-join/19%3ameeting_OGM3OTk5NzQtZWEwZS00ZmUyLTk3MGUtZjFhY2M5OTU2MjI1%40thread.v2/0?context=%7b%22Tid%22%3a%2267bda7ee-fd80-41ef-ac91-358418290a1e%22%2c%22Oid%22%3a%22f3250584-4b5f-48fa-a897-08e77f2246b7%22%7d" target="_blank" id="OWAcb6ec985-230e-adc9-32b6-65f5b5025337" class="x_OWAAutoLink" title="https://teams.microsoft.com/l/meetup-join/19%3ameeting_OGM3OTk5NzQtZWEwZS00ZmUyLTk3MGUtZjFhY2M5OTU2MjI1%40thread.v2/0?context=%7b%22Tid%22%3a%2267bda7ee-fd80-41ef-ac91-358418290a1e%22%2c%22Oid%22%3a%22f3250584-4b5f-48fa-a897-08e77f2246b7%22%7d" rel="noopener noreferrer" data-auth="NotApplicable" data-linkindex="1" data-ogsc="" style="margin: 0px;">https://teams.microsoft.com/l/meetup-join/19%3ameeting_OGM3OTk5NzQtZWEwZS00ZmUyLTk3MGUtZjFhY2M5OTU2MjI1%40thread.v2/0?context=%7b%22Tid%22%3a%2267bda7ee-fd80-41ef-ac91-358418290a1e%22%2c%22Oid%22%3a%22f3250584-4b5f-48fa-a897-08e77f2246b7%22%7d</a></div>
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<b><i><u>List of upcoming Seminars:</u></i></b></div>
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25<sup>th</sup> March : Pete Millington (Manchester)</div>
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01<sup>st</sup> April: Anna Kormu (Helsinki)</div>
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08<sup>th</sup> April: Tales of Gravity Conference</div>
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15<sup>th</sup> April: No seminar</div>
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22nd April: Isobel Romero (Cambridge)</div>
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29<sup>th</sup> April: Daniel Panizo (Kyoto U)</div>
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With Regards,</div>
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-Elisa & Swagat</div>
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