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X-ORIGINAL-URL:https://www.lps.u-psud.fr/
X-WR-CALNAME:Laboratoire de physique des Solides
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BEGIN:VEVENT
CLASS:PUBLIC
DTSTART;TZID=Europe/Paris:20221021T110000
DTEND;TZID=Europe/Paris:20221021T120000
DTSTAMP:20220926T081100
UID:MEC-8e54d6b523b279543ac12a0f7333cd3c@lps.u-psud.fr
CREATED:20220926
LAST-MODIFIED:20220926
PRIORITY:5
TRANSP:OPAQUE
SUMMARY:Debarghya Banerjee – Odd Cosserat elasticity in active materials
DESCRIPTION:Odd Cosserat elasticity in active materials\nDebarghya Banerjee, MPIPKS, Dresden\nStress-strain constitutive relations in solids with an internal angular degree of freedom can be modelled using the Cosserat or micropolar elasticity. In the theory of \emph{chiral active} Cosserat materials one would find an \emph{odd} elastic term in addition to the usual Cosserat term in the constitutive relations. In this talk, I will develop a natural extension of Cosserat materials to include odd elasticity and discuss the phenomenological effects of these terms. I will discuss about static elastic properties of such a solid, where, we show that static response to vortical stresses lead to strains that depend on both the Cosserat and odd elasticity. We then compute the dispersion of linear solutions in these odd-Cosserat materials, where, we find the presence of \emph{exceptional points} in the dispersion relation. Finally, we show the effect of Cosserat and odd elastic terms on the polarization of Rayleigh edge waves.\n \n
URL:https://www.lps.u-psud.fr/events/debarghya-banerjee-odd-cosserat-elasticity-in-active-materials/
CATEGORIES:Séminaire Matière Molle Phys-Bio,Séminaire Matière Quantique (SMQ)
LOCATION:Moyen amphi (LPS
ATTACH;FMTTYPE=image/png:https://www.lps.u-psud.fr/wp-content/uploads/2022/09/Image1.png
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