Possible quantum fluctuations in the vicinity of the quantum critical point of <math> <mrow> <msub> <mrow> <mo>(</mo> <mi>Sr</mi> <mo>,</mo> <mi>Ca</mi> <mo>)</mo> </mrow> <mn>3</mn> </msub> <msub> <mi>Ir</mi> <mn>4</mn> </msub> <msub> <mi>Sn&l</mi></

03/30/2021