# N. Peter Armitage

## Professor

Bloomberg 309

410-516-0621

npa@jhu.edu

Curriculum Vitae

Group/Lab Website

Google Scholar Profile

- Advance Condensed Matter Physics - Spring 2012
- Classical Mechanics 105 - Fall 2011
- Introduction to Condensed Matter Physics - Fall 2010
- Introduction to Condensed Matter Physics - Fall 2009
- Introduction to Condensed Matter Physics - Fall 2008
- The Advanced and Intermediate Lab - Spring 2008

Please also check out my perpetually updated lecture notes on "Electrodynamics of correlated electron systems".

These are based on lectures I first gave at the "2008 Boulder School for Condensed Matter and Materials Physics."

See the videos of these lectures here: Formalism and Techniques and Examples and Advanced Analysis

Displaying the 20 most recent publications. View the Google Scholar Profile for complete publications list.

Note: Please refresh the page if no publications initially appear.

Y Wang, I Tamir, D Shahar, NP Armitage

A Bose metal has no cyclotron resonance

**arXiv preprint arXiv:1708.01908, 2017 **

NJ Laurita, Y Luo, R Hu, M Wu, SW Cheong, O Tchernyshyov, ...

Anomalous exchange interactions between RE $^{+ 3} $ and Mn $^{+ 3} $ moments in multiferroic h-REMnO $ _3$

**arXiv preprint arXiv:1706.04141, 2017 **

NP Armitage, EJ Mele, A Vishwanath

Weyl and Dirac Semimetals in Three Dimensional Solids

**arXiv preprint arXiv:1705.01111, 2017 **

NJ Laurita, GG Marcus, BA Trump, J Kindervater, MB Stone, TM McQueen, ...

Low energy magnon dynamics and magneto-optics of the skyrmionic Mott insulator Cu $ _2 $ OSeO $ _3$

**arXiv preprint arXiv:1704.04228, 2017 **

RM Ireland, L Wu, M Salehi, S Oh, NP Armitage, HE Katz

Nonvolatile Solid-State Charged-Polymer Gating of Topological Insulators into the Topological Insulating Regime

**arXiv preprint arXiv:1704.01021, 2017 **

A Farid, NJ Laurita, B Tehrani, JG Hester, MM Tentzeris, NP Armitage

Inkjet Printed Wire-Grid Polarizers for the THz Frequency Range

**Journal of Infrared, Millimeter, and Terahertz Waves 38 (3), 276-282, 2017 **

D Chaudhuri, B Cheng, A Yaresko, QD Gibson, RJ Cava, NP Armitage

An optical investigation of the strong spin-orbital coupled magnetic semimetal YbMnBi $ _2$

**arXiv preprint arXiv:1701.08693, 2017 **

L Wu, M Salehi, N Koirala, J Moon, S Oh, NP Armitage

Quantized Faraday and Kerr rotation and axion electrodynamics of a 3D topological insulator

**Science 354 (6316), 1124-1127, 2016 **

NP Armitage

Kitaev's exact solution approximated

**arXiv preprint arXiv:1611.09991, 2016 **

L Zhao, CA Belvin, R Liang, DA Bonn, WN Hardy, NP Armitage, D Hsieh

A global inversion-symmetry-broken phase inside the pseudogap region of YBa $ _2 $ Cu $ _3 $ O $ _y$

**arXiv preprint arXiv:1611.08603, 2016 **

B Cheng, L Wu, SK Kushwaha, RJ Cava, NP Armitage

Measurement of the topological surface state optical conductance in bulk-insulating Sn-doped Bi 1.1 Sb 0.9 Te 2 S single crystals

**Physical Review B 94 (20), 201117, 2016 **

NJ Laurita, CM Morris, SM Koohpayeh, PFS Rosa, WA Phelan, Z Fisk, ...

Anomalous three-dimensional bulk ac conduction within the Kondo gap of SmB 6 single crystals

**Physical Review B 94 (16), 165154, 2016 **

M Brahlek, N Koirala, M Salehi, J Moon, W Zhang, H Li, X Zhou, MG Han, ...

Disorder-driven topological phase transition in B i 2 S e 3 films

**Physical Review B 94 (16), 165104, 2016 **

A Akrap, M Hakl, S Tchoumakov, I Crassee, J Kuba, MO Goerbig, ...

Magneto-Optical Signature of Massless Kane Electrons in Cd 3 As 2

**Physical review letters 117 (13), 136401, 2016 **

NJ Laurita, B Cheng, R Barkhouser, VA Neumann, NP Armitage

A Modified 8f Geometry with Reduced Optical Aberrations for Improved Time Domain Terahertz Spectroscopy

**Journal of Infrared, Millimeter, and Terahertz Waves 37 (9), 894-902, 2016 **

L Wu, RM Ireland, M Salehi, B Cheng, N Koirala, S Oh, HE Katz, ...

Tuning and stabilizing topological insulator Bi2Se3 in the intrinsic regime by charge extraction with organic overlayers

**Applied Physics Letters 108 (22), 221603, 2016 **

B Cheng, L Wu, NJ Laurita, H Singh, M Chand, P Raychaudhuri, ...

Anomalous gap-edge dissipation in disordered superconductors on the brink of localization

**Physical Review B 93 (18), 180511, 2016 **

M Neshat, NP Armitage

Terahertz time-domain spectroscopic ellipsometry system

**US Patent 9,322,712, 2016 **

LD Pan, NJ Laurita, KA Ross, BD Gaulin, NP Armitage

A measure of monopole inertia in the quantum spin ice Yb2Ti2O7

**Nature Physics 12 (4), 361-366, 2016 **

G Bossé, LD Pan, YS Li, LH Greene, J Eckstein, NP Armitage

Anomalous frequency and temperature-dependent scattering and Hund's coupling in the almost quantum critical heavy-fermion system CeFe 2 Ge 2

**Physical Review B 93 (8), 085104, 2016 **