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Constraining small scale magnetic fields through plasma lensing: Application to the Black widow eclipsing pulsar binary
Dongzi Li, Fang Xi Lin, Robert Main +3
In regions with strongly varying electron density, radio emission can be magnified significantly by plasma lensing. In the presence of magnetic fields, magnification in time and fr…
Mode changing and giant pulses in the millisecond pulsar PSR B1957+20
Nikhil Mahajan, Marten H. van Kerkwijk, Robert Main +1
Many radio pulsars have stable pulse profiles, but some exhibit mode changing where the profile switches between two or more quasi-stable modes of emission. So far, these effects h…
Pulsar emission amplified and resolved by plasma lensing in an eclipsing binary
Robert Main, I-Sheng Yang, Victor Chan +6
Radio pulsars scintillate because their emission travels through the ionized interstellar medium via multiple paths, which interfere with each other. It has long been realized that…