BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Department of Physics and Astronomy - ECPv6.15.20//NONSGML v1.0//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Department of Physics and Astronomy X-ORIGINAL-URL:https://physics.sciences.ncsu.edu X-WR-CALDESC:Events for Department of Physics and Astronomy REFRESH-INTERVAL;VALUE=DURATION:PT1H X-Robots-Tag:noindex X-PUBLISHED-TTL:PT1H BEGIN:VTIMEZONE TZID:America/New_York BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20200308T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20201101T060000 END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20210314T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20211107T060000 END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20220313T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20221106T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTART;TZID=America/New_York:20211101T130000 DTEND;TZID=America/New_York:20211101T150000 DTSTAMP:20260416T191618 CREATED:20211003T223446Z LAST-MODIFIED:20211003T223446Z UID:18974-1635771600-1635778800@physics.sciences.ncsu.edu SUMMARY:Final Defense - Jiaxun Hou DESCRIPTION:The viscosity of the unitary Fermi Gas at very low Temperature URL:https://physics.sciences.ncsu.edu/event/final-defense-jiaxun-hou/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211101T160000 DTEND;TZID=America/New_York:20211101T170000 DTSTAMP:20260416T191618 CREATED:20211026T210001Z LAST-MODIFIED:20211026T210822Z UID:19058-1635782400-1635786000@physics.sciences.ncsu.edu SUMMARY:Physics Colloquium: Oana Jurchescu DESCRIPTION:Title: The imperfect organic semiconductors: from fundamentals to applications \nAbstract:  Our society has become increasingly dependent on electronic devices\, which are now integrated into all aspects of our lives: medical applications controlled by specialized electronics save lives in the hospitals\, displays produce the most vivid pictures\, computers and cell phones keep us connected even during the worst pandemic lockdowns. The emerging Internet ofThings (IoT) promises to enhance the quality of our lives even further by providing access to new types of applications and\, with that\, fundamentally changing the way we interact with electronics. Organic semiconductors are at the forefront of such a revolution due to their low cost\, lightweight\, and ease of processing. A mind-blowing array of new products include rollable displays\, tattoo-like smart bandages that inform medical professionals in real time\, conformable electronics inserted into clothes and even human body. Emerging exciting applications are near validation\, hindered only by insufficient performance and stability. In this presentation I will focus on several opportunities and challenges faced by organic materials and devices. Organic semiconductors are highly susceptible to defect formation\, owing to their weak intermolecular interactions\, and the electronic states formed in the gap can change the properties significantly. In this presentation I will discuss the origin and energetic distribution of several different types of traps inorganic semiconductors and their impact on device performance. Several methods for minimizing the trap density to enhance the performance and stability will be presented. Lastly\, trap formation will be exploited for the development of radiation dosimeters for cancer treatment. \nHost: Kenan Gundogdu URL:https://physics.sciences.ncsu.edu/event/physics-colloquium-oana-jurchescu/ LOCATION:NC CATEGORIES:Colloquia END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211102T100000 DTEND;TZID=America/New_York:20211102T120000 DTSTAMP:20260416T191618 CREATED:20211020T180326Z LAST-MODIFIED:20211025T145052Z UID:19033-1635847200-1635854400@physics.sciences.ncsu.edu SUMMARY:Final Exam - Caitlin Seed DESCRIPTION:Using nanosuspensions to explore the capability of the quartz crystal microbalance as a tribotronic sensor and for linking nano- and macro-scale friction URL:https://physics.sciences.ncsu.edu/event/final-exam-caitlin-seed/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211108T160000 DTEND;TZID=America/New_York:20211108T170000 DTSTAMP:20260416T191618 CREATED:20210726T164122Z LAST-MODIFIED:20211105T201507Z UID:18436-1636387200-1636390800@physics.sciences.ncsu.edu SUMMARY:Physics Colloquium: Jinfeng Liao DESCRIPTION:Title:“Tallying Gauge Field Topology with Chiral Magnetic Effect” \nAbstract: Gauge fields provide the fundamental interactions in the Standard Model of particle physics. Gauge field configurations with nontrivial topological windings are known to play crucial roles in many important phenomena\, from matter-antimatter asymmetry of today’s universe to the permanent quark confinement. Their presence is however elusive for direct detection in experiments. In this talk\, I will discuss how recent measurements of the so-called chiral magnetic effect (CME) in heavy ion collisions can be used for counting the topological windings of the non-Abelian gauge fields in the Quantum Chromodynamics (QCD). The CME is a nontrivial macroscopic transport process arising from microscopic quantum anomaly of underlying chiral fermions in a chiral material (e.g. Dirac or Weyl semimetal)\, which has been in the spotlight lately across disciplines of physics. Potential discovery of CME in heavy ion collisions is of utmost significance\, with extensive experimental searches carried out over the past decade. Some twelve years after the first hint of a possible CME signal\, excitement is mounting toward finding it at long last from a decisive isobar collision experiment. I will briefly recount aspects of this effort and discuss how an state-of-the-art theoretical tool\, developed through the Beam Energy Scan Theory (BEST) Collaboration\, has allowed us to quantitatively extract\, for the first time\, the initial topological windings Qw from the CME experimental data\, revealing a universal scaling relation between Qw and the particle multiplicity produced in the corresponding collision events. \nHost: Vladimir Skokov URL:https://physics.sciences.ncsu.edu/event/physics-colloquium-jinfeng-liao/ LOCATION:Riddick Hall 301 CATEGORIES:Colloquia,In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211109T090000 DTEND;TZID=America/New_York:20211109T110000 DTSTAMP:20260416T191618 CREATED:20211020T180905Z LAST-MODIFIED:20211020T180905Z UID:19035-1636448400-1636455600@physics.sciences.ncsu.edu SUMMARY:Preliminary Exam - Somayeh Kashani DESCRIPTION:Exciton Binding Energy in Organic Semiconductors URL:https://physics.sciences.ncsu.edu/event/preliminary-exam-somayeh-kashani/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211112T140000 DTEND;TZID=America/New_York:20211112T160000 DTSTAMP:20260416T191618 CREATED:20211025T151141Z LAST-MODIFIED:20211025T151141Z UID:19046-1636725600-1636732800@physics.sciences.ncsu.edu SUMMARY:Preliminary Exam - Rachel Evans DESCRIPTION:Single molecule studies of early steps in DNA mismatch repair URL:https://physics.sciences.ncsu.edu/event/preliminary-exam-rachel-evans/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211112T140000 DTEND;TZID=America/New_York:20211112T160000 DTSTAMP:20260416T191618 CREATED:20211111T153217Z LAST-MODIFIED:20211112T125604Z UID:19105-1636725600-1636732800@physics.sciences.ncsu.edu SUMMARY:Final Defense - Zhengxing Peng DESCRIPTION:Phase diagrams of the binary conjugated polymer: SMA systems URL:https://physics.sciences.ncsu.edu/event/final-defense-zhengxing-peng/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;VALUE=DATE:20211113 DTEND;VALUE=DATE:20211114 DTSTAMP:20260416T191618 CREATED:20210720T191505Z LAST-MODIFIED:20211003T134804Z UID:18332-1636761600-1636847999@physics.sciences.ncsu.edu SUMMARY:CANCELED: PhysicsPhest 2021 DESCRIPTION:What: Join us for a fun\, family-friendly event featuring exciting science happening within the Department of Physics! \nWho: This family-friendly event is open to all! Please come with your family\, friends\, and anyone interested in physics at NC State. \nWhere: NC State’s Main Campus: Riddick Hall \nWhen: November 13\, 2021 \nCost: There is no cost associated with this event \nSchedule: This year’s schedule has not been fixed yet. Look here to see what happened in 2019. \nRegistration: \n\n \n \n PhysicsPhest\n \n \n Name*\n \n \n \n First\n \n \n \n \n Last\n \n \n Email*\n \n How many attendees?*123456+How many children attending?*0123456+Lunch will be provided by the Department of Physics and is being catered by Chipotle. There will be vegan and vegetarian options available. Please indicate below if you will be participating in the lunch provided by the department.*\n \n \n Chipotle Lunch\n \n \n \n No\, thank you!\n If you answered no to the above lunch question\, would you like assistance in finding lunch recommendations within walking distance?\n \n \n Yes\n \n \n \n No\n \n \n \n Maybe URL:https://physics.sciences.ncsu.edu/event/physicsphest-2021/ LOCATION:Riddick Hall 301 CATEGORIES:College of Sciences Calendar,For the Public END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211116T120000 DTEND;TZID=America/New_York:20211116T130000 DTSTAMP:20260416T191618 CREATED:20211103T182526Z LAST-MODIFIED:20211103T182526Z UID:19096-1637064000-1637067600@physics.sciences.ncsu.edu SUMMARY:Preliminary Exam - Dovletgeldi Seyitliyev DESCRIPTION:Characterization of Hybrid Semiconductors using Ultrafast Spectroscopy URL:https://physics.sciences.ncsu.edu/event/preliminary-exam-dovletgeldi-seyitliyev/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211116T150000 DTEND;TZID=America/New_York:20211116T163000 DTSTAMP:20260416T191618 CREATED:20211101T170836Z LAST-MODIFIED:20211101T170836Z UID:19085-1637074800-1637080200@physics.sciences.ncsu.edu SUMMARY:Preliminary Exam - Brenton Boland DESCRIPTION:Unconfined melt electrospinning from molten polymer experiencing an electric discharge to manipulate ion density URL:https://physics.sciences.ncsu.edu/event/preliminary-exam-brenton-boland/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211122T143000 DTEND;TZID=America/New_York:20211122T163000 DTSTAMP:20260416T191618 CREATED:20211003T223614Z LAST-MODIFIED:20211111T122825Z UID:18976-1637591400-1637598600@physics.sciences.ncsu.edu SUMMARY:Final Defense - Indunil Angunawela DESCRIPTION:Morphology-Function relations and The Importance of The Texture of thin Films in Organic Electronics URL:https://physics.sciences.ncsu.edu/event/final-defense-indunil-angunawela/ LOCATION:NC CATEGORIES:In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211122T160000 DTEND;TZID=America/New_York:20211122T170000 DTSTAMP:20260416T191618 CREATED:20210726T164102Z LAST-MODIFIED:20211116T201538Z UID:18438-1637596800-1637600400@physics.sciences.ncsu.edu SUMMARY:Physics Colloquium: Tim Heckman DESCRIPTION:Title: Feedback and the evolution of galaxies and black holes \nAbstract: We now have a robust and highly successful theory that traces the evolution of the dark-matter density fluctuations in the universe from the era of inflation to the present day. We also have precise measurements of the most important global properties of the universe\, including its age\, shape\, and mass/energy inventory. Despite this\, we have only a poor and qualitative understanding of the physical processes that over the last 13.7 billion years have driven the evolution of the baryonic content of the universe (galaxies\, stars\, planets). In this talk I will describe the need for\, and the evidence of\, the effects of the feedback of mass\, momentum\, and energy from populations of massive stars and supermassive black holes that have shaped the properties of galaxies\, from small proto-galactic fragments in the early universe to the majestic systems we see today. My aim will be to make this talk accessible to physicists and instructive to astronomers. \nHost: Rongmon Bordoloi URL:https://physics.sciences.ncsu.edu/event/physics-colloquium-tim-heckman/ LOCATION:Virtual CATEGORIES:Colloquia,In The Department END:VEVENT BEGIN:VEVENT DTSTART;TZID=America/New_York:20211129T160000 DTEND;TZID=America/New_York:20211129T170000 DTSTAMP:20260416T191618 CREATED:20210726T163959Z LAST-MODIFIED:20211116T200330Z UID:18440-1638201600-1638205200@physics.sciences.ncsu.edu SUMMARY:Physics Colloquium: Lucas Platter DESCRIPTION:Title: From nucleons to atoms: The effective field theory tower \nAbstract: The effective field theory approach is to simplify a complicated physical problem by reducing the number of degrees of freedom and using available separations of scales. A classical example of an effective theory is the multipole decomposition of a charged object to describe its electric field / potential at larger distances. In this colloquium\, I will introduce the effective field theory method and show how it can relate physics at very different scales to each other. Specifically\, I will discuss how starting from nucleons we can use different EFTs to build up tower up to the 4He trimer state\, a bound state of three 4He atoms. Doing so\, I will introduce several examples of non-relativistic EFTs that together connect distance scales from Fermi to Angstrom. \nHost: Sebastian Koenig URL:https://physics.sciences.ncsu.edu/event/physics-colloquium-lucas-platter/ LOCATION:Virtual CATEGORIES:Colloquia,In The Department END:VEVENT END:VCALENDAR